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  27.       <h1 class="title">src/db_connector/db_odbc</h1>
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  40.         <li><a href="manual.html">Manual</a></li>
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  53.     <ul class="simple simple-toc" id="toc-list">
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  54.   <li><a class="reference" id="parameter-substitution_toc" href="#parameter-substitution">Parameter substitution</a></li>
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  55. <li><a class="reference" id="examples_toc" href="#examples">Examples</a></li>
    56. 

  56. <ul class="simple"><li><a class="reference" id="examples-opening-a-connection-to-a-database_toc" href="#examples-opening-a-connection-to-a-database">Opening a connection to a database</a></li>
    57. 

  57. <li><a class="reference" id="examples-creating-a-table_toc" href="#examples-creating-a-table">Creating a table</a></li>
    58. 

  58. <li><a class="reference" id="examples-inserting-data_toc" href="#examples-inserting-data">Inserting data</a></li>
    59. 

  59. <li><a class="reference" id="examples-large-example_toc" href="#examples-large-example">Large example</a></li>
    60. 

  60. </ul><li>
    61. 

  61.   <a class="reference reference-toplevel" href="#6" id="56">Imports</a>
    62. 

  62. </li>
    63. 

  63. <li>
    64. 

  64.   <details open>
    65. 

  65.     <summary><a class="reference reference-toplevel" href="#7" id="57">Types</a></summary>
    66. 

  66.     <ul class="simple simple-toc-section">
    67. 

  67.       <li><a class="reference" href="#DbConn" title="DbConn = OdbcConnTyp">DbConn</a></li>
    68. 

  68. <li><a class="reference" href="#InstantRow" title="InstantRow = tuple[row: seq[string], len: int]">InstantRow</a></li>
    69. 

  69. <li><a class="reference" href="#Row" title="Row = seq[string]">Row</a></li>
    70. 

  70. 

  71.     </ul>
    72. 

  72.   </details>
    73. 

  73. </li>
    74. 

  74. <li>
    75. 

  75.   <details open>
    76. 

  76.     <summary><a class="reference reference-toplevel" href="#12" id="62">Procs</a></summary>
    77. 

  77.     <ul class="simple simple-toc-section">
    78. 

  78.       <ul class="simple nested-toc-section">[]
    79. 

  79.   <li><a class="reference" href="#%5B%5D%2CInstantRow%2Cint" title="`[]`(row: InstantRow; col: int): string">`[]`(row: InstantRow; col: int): string</a></li>
    80. 

  80. 

  81. </ul>
    82. 

  82. <ul class="simple nested-toc-section">close
    83. 

  83.   <li><a class="reference" href="#close%2CDbConn" title="close(db: var DbConn)">close(db: var DbConn)</a></li>
    84. 

  84. 

  85. </ul>
    86. 

  86. <ul class="simple nested-toc-section">dbError
    87. 

  87.   <li><a class="reference" href="#dbError%2CDbConn" title="dbError(db: var DbConn)">dbError(db: var DbConn)</a></li>
    88. 

  88. 

  89. </ul>
    90. 

  90. <ul class="simple nested-toc-section">dbQuote
    91. 

  91.   <li><a class="reference" href="#dbQuote%2Cstring" title="dbQuote(s: string): string">dbQuote(s: string): string</a></li>
    92. 

  92. 

  93. </ul>
    94. 

  94. <ul class="simple nested-toc-section">exec
    95. 

  95.   <li><a class="reference" href="#exec%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="exec(db: var DbConn; query: SqlQuery; args: varargs[string, `$`])">exec(db: var DbConn; query: SqlQuery; args: varargs[string, `$`])</a></li>
    96. 

  96. 

  97. </ul>
    98. 

  98. <ul class="simple nested-toc-section">execAffectedRows
    99. 

  99.   <li><a class="reference" href="#execAffectedRows%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="execAffectedRows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): int64">execAffectedRows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): int64</a></li>
    100. 

  100. 

  101. </ul>
    102. 

  102. <ul class="simple nested-toc-section">getAllRows
    103. 

  103.   <li><a class="reference" href="#getAllRows%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="getAllRows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): seq[Row]">getAllRows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): seq[Row]</a></li>
    104. 

  104. 

  105. </ul>
    106. 

  106. <ul class="simple nested-toc-section">getRow
    107. 

  107.   <li><a class="reference" href="#getRow%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="getRow(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): Row">getRow(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): Row</a></li>
    108. 

  108. 

  109. </ul>
    110. 

  110. <ul class="simple nested-toc-section">getValue
    111. 

  111.   <li><a class="reference" href="#getValue%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="getValue(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): string">getValue(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): string</a></li>
    112. 

  112. 

  113. </ul>
    114. 

  114. <ul class="simple nested-toc-section">insert
    115. 

  115.   <li><a class="reference" href="#insert%2CDbConn%2CSqlQuery%2Cstring%2Cvarargs%5Bstring%2C%5D" title="insert(db: var DbConn; query: SqlQuery; pkName: string;
    116. 

  116.        args: varargs[string, `$`]): int64">insert(db: var DbConn; query: SqlQuery; pkName: string;
    117. 

  117.        args: varargs[string, `$`]): int64</a></li>
    118. 

  118. 

  119. </ul>
    120. 

  120. <ul class="simple nested-toc-section">insertId
    121. 

  121.   <li><a class="reference" href="#insertId%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="insertId(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): int64">insertId(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): int64</a></li>
    122. 

  122. 

  123. </ul>
    124. 

  124. <ul class="simple nested-toc-section">len
    125. 

  125.   <li><a class="reference" href="#len%2CInstantRow" title="len(row: InstantRow): int">len(row: InstantRow): int</a></li>
    126. 

  126. 

  127. </ul>
    128. 

  128. <ul class="simple nested-toc-section">open
    129. 

  129.   <li><a class="reference" href="#open%2Cstring%2Cstring%2Cstring%2Cstring" title="open(connection, user, password, database: string): DbConn">open(connection, user, password, database: string): DbConn</a></li>
    130. 

  130. 

  131. </ul>
    132. 

  132. <ul class="simple nested-toc-section">setEncoding
    133. 

  133.   <li><a class="reference" href="#setEncoding%2CDbConn%2Cstring" title="setEncoding(connection: DbConn; encoding: string): bool">setEncoding(connection: DbConn; encoding: string): bool</a></li>
    134. 

  134. 

  135. </ul>
    136. 

  136. <ul class="simple nested-toc-section">tryExec
    137. 

  137.   <li><a class="reference" href="#tryExec%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="tryExec(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): bool">tryExec(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): bool</a></li>
    138. 

  138. 

  139. </ul>
    140. 

  140. <ul class="simple nested-toc-section">tryInsert
    141. 

  141.   <li><a class="reference" href="#tryInsert%2CDbConn%2CSqlQuery%2Cstring%2Cvarargs%5Bstring%2C%5D" title="tryInsert(db: var DbConn; query: SqlQuery; pkName: string;
    142. 

  142.           args: varargs[string, `$`]): int64">tryInsert(db: var DbConn; query: SqlQuery; pkName: string;
    143. 

  143.           args: varargs[string, `$`]): int64</a></li>
    144. 

  144. 

  145. </ul>
    146. 

  146. <ul class="simple nested-toc-section">tryInsertId
    147. 

  147.   <li><a class="reference" href="#tryInsertId%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="tryInsertId(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): int64">tryInsertId(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): int64</a></li>
    148. 

  148. 

  149. </ul>
    150. 

  150. <ul class="simple nested-toc-section">unsafeColumnAt
    151. 

  151.   <li><a class="reference" href="#unsafeColumnAt%2CInstantRow%2Cint" title="unsafeColumnAt(row: InstantRow; index: int): cstring">unsafeColumnAt(row: InstantRow; index: int): cstring</a></li>
    152. 

  152. 

  153. </ul>
    154. 

  154. 

  155.     </ul>
    156. 

  156.   </details>
    157. 

  157. </li>
    158. 

  158. <li>
    159. 

  159.   <details open>
    160. 

  160.     <summary><a class="reference reference-toplevel" href="#15" id="65">Iterators</a></summary>
    161. 

  161.     <ul class="simple simple-toc-section">
    162. 

  162.       <ul class="simple nested-toc-section">fastRows
    163. 

  163.   <li><a class="reference" href="#fastRows.i%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="fastRows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): Row">fastRows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): Row</a></li>
    164. 

  164. 

  165. </ul>
    166. 

  166. <ul class="simple nested-toc-section">instantRows
    167. 

  167.   <li><a class="reference" href="#instantRows.i%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="instantRows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): InstantRow">instantRows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): InstantRow</a></li>
    168. 

  168. 

  169. </ul>
    170. 

  170. <ul class="simple nested-toc-section">rows
    171. 

  171.   <li><a class="reference" href="#rows.i%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D" title="rows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): Row">rows(db: var DbConn; query: SqlQuery; args: varargs[string, `$`]): Row</a></li>
    172. 

  172. 

  173. </ul>
    174. 

  174. 

  175.     </ul>
    176. 

  176.   </details>
    177. 

  177. </li>
    178. 

  178. 

  179. </ul>
    180. 

  180. 

  181.   </div>
    182. 

  182.   <div class="nine columns" id="content">
    183. 

  183.     
    184. 

  184.     <div id="tocRoot"></div>
    185. 

  185.     
    186. 

  186.     <p class="module-desc"><div class="admonition admonition-info"><span class="admonition-info-text"><b>Note:</b></span>
    187. 

  187. In order to use this module, run <tt class="docutils literal"><span class="pre"><span class="Identifier">nimble</span> <span class="Identifier">install</span> <span class="Identifier">db_connector</span></span></tt>.</div>
    188. 

  188. <p>A higher level <tt class="docutils literal"><span class="pre"><span class="Identifier">ODBC</span></span></tt> database wrapper.</p>
    189. 

  189. <p>This is the same interface that is implemented for other databases.</p>
    190. 

  190. <p>This has NOT yet been (extensively) tested against ODBC drivers for Teradata, Oracle, Sybase, MSSqlvSvr, et. al.  databases.</p>
    191. 

  191. <p>Currently all queries are ANSI calls, not Unicode.</p>
    192. 

  192. <p>See also: <a class="reference external" href="db_postgres.html">db_postgres</a>, <a class="reference external" href="db_sqlite.html">db_sqlite</a>, <a class="reference external" href="db_mysql.html">db_mysql</a>.</p>
    193. 

  193. 

  194. <h1><a class="toc-backref" id="parameter-substitution" href="#parameter-substitution">Parameter substitution</a></h1><p>All <tt class="docutils literal"><span class="pre"><span class="Identifier">db_</span><span class="Operator">*</span></span></tt> modules support the same form of parameter substitution. That is, using the <tt class="docutils literal"><span class="pre"><span class="Operator">?</span></span></tt> (question mark) to signify the place where a value should be placed. For example:</p>
    195. 

  195. <p><pre class="listing"><span class="RawData">sql&quot;INSERT INTO myTable (colA, colB, colC) VALUES (?, ?, ?)&quot;</span></pre></p>
    196. 

  196. 

  197. <h1><a class="toc-backref" id="examples" href="#examples">Examples</a></h1>
    198. 

  198. <h2><a class="toc-backref" id="examples-opening-a-connection-to-a-database" href="#examples-opening-a-connection-to-a-database">Opening a connection to a database</a></h2><p><pre class="listing"><span class="Keyword">import</span> <span class="Identifier">db_connector</span><span class="Operator">/</span><span class="Identifier">db_odbc</span>
    199. 

  199. <span class="Keyword">var</span> <span class="Identifier">db</span> <span class="Operator">=</span> <span class="Identifier">open</span><span class="Punctuation">(</span><span class="StringLit">&quot;localhost&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;user&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;password&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;dbname&quot;</span><span class="Punctuation">)</span>
    200. 

  200. <span class="Identifier">db</span><span class="Operator">.</span><span class="Identifier">close</span><span class="Punctuation">(</span><span class="Punctuation">)</span></pre></p>
    201. 

  201. 

  202. <h2><a class="toc-backref" id="examples-creating-a-table" href="#examples-creating-a-table">Creating a table</a></h2><p><pre class="listing"><span class="Identifier">db</span><span class="Operator">.</span><span class="Identifier">exec</span><span class="Punctuation">(</span><span class="RawData">sql&quot;DROP TABLE IF EXISTS myTable&quot;</span><span class="Punctuation">)</span>
    203. 

  203. <span class="Identifier">db</span><span class="Operator">.</span><span class="Identifier">exec</span><span class="Punctuation">(</span><span class="Identifier">sql</span><span class="Punctuation">(</span><span class="LongStringLit">&quot;&quot;&quot;CREATE TABLE myTable (
    204. 

  204.                  id integer,
    205. 

  205.                  name varchar(50) not null)&quot;&quot;&quot;</span><span class="Punctuation">)</span><span class="Punctuation">)</span></pre></p>
    206. 

  206. 

  207. <h2><a class="toc-backref" id="examples-inserting-data" href="#examples-inserting-data">Inserting data</a></h2><p><pre class="listing"><span class="Identifier">db</span><span class="Operator">.</span><span class="Identifier">exec</span><span class="Punctuation">(</span><span class="RawData">sql&quot;INSERT INTO myTable (id, name) VALUES (0, ?)&quot;</span><span class="Punctuation">,</span>
    208. 

  208.         <span class="StringLit">&quot;Andreas&quot;</span><span class="Punctuation">)</span></pre></p>
    209. 

  209. 

  210. <h2><a class="toc-backref" id="examples-large-example" href="#examples-large-example">Large example</a></h2><p><pre class="listing"><span class="Keyword">import</span> <span class="Identifier">db_connector</span><span class="Operator">/</span><span class="Identifier">db_odbc</span>
    211. 

  211. <span class="Keyword">import</span> <span class="Identifier">std</span><span class="Operator">/</span><span class="Identifier">math</span>
    212. 

  212. 

  213. <span class="Keyword">var</span> <span class="Identifier">theDb</span> <span class="Operator">=</span> <span class="Identifier">open</span><span class="Punctuation">(</span><span class="StringLit">&quot;localhost&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;nim&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;nim&quot;</span><span class="Punctuation">,</span> <span class="StringLit">&quot;test&quot;</span><span class="Punctuation">)</span>
    214. 

  214. 

  215. <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">exec</span><span class="Punctuation">(</span><span class="RawData">sql&quot;Drop table if exists myTestTbl&quot;</span><span class="Punctuation">)</span>
    216. 

  216. <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">exec</span><span class="Punctuation">(</span><span class="Identifier">sql</span><span class="Punctuation">(</span><span class="StringLit">&quot;create table myTestTbl (&quot;</span> <span class="Operator">&amp;</span>
    217. 

  217.     <span class="StringLit">&quot; Id    INT(11)     NOT NULL AUTO_INCREMENT PRIMARY KEY, &quot;</span> <span class="Operator">&amp;</span>
    218. 

  218.     <span class="StringLit">&quot; Name  VARCHAR(50) NOT NULL, &quot;</span> <span class="Operator">&amp;</span>
    219. 

  219.     <span class="StringLit">&quot; i     INT(11), &quot;</span> <span class="Operator">&amp;</span>
    220. 

  220.     <span class="StringLit">&quot; f     DECIMAL(18,10))&quot;</span><span class="Punctuation">)</span><span class="Punctuation">)</span>
    221. 

  221. 

  222. <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">exec</span><span class="Punctuation">(</span><span class="RawData">sql&quot;START TRANSACTION&quot;</span><span class="Punctuation">)</span>
    223. 

  223. <span class="Keyword">for</span> <span class="Identifier">i</span> <span class="Keyword">in</span> <span class="FloatNumber">1.</span><span class="Operator">.</span><span class="DecNumber">1000</span><span class="Punctuation">:</span>
    224. 

  224.   <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">exec</span><span class="Punctuation">(</span><span class="RawData">sql&quot;INSERT INTO myTestTbl (name,i,f) VALUES (?,?,?)&quot;</span><span class="Punctuation">,</span>
    225. 

  225.         <span class="StringLit">&quot;Item#&quot;</span> <span class="Operator">&amp;</span> <span class="Operator">$</span><span class="Identifier">i</span><span class="Punctuation">,</span> <span class="Identifier">i</span><span class="Punctuation">,</span> <span class="Identifier">sqrt</span><span class="Punctuation">(</span><span class="Identifier">i</span><span class="Operator">.</span><span class="Identifier">float</span><span class="Punctuation">)</span><span class="Punctuation">)</span>
    226. 

  226. <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">exec</span><span class="Punctuation">(</span><span class="RawData">sql&quot;COMMIT&quot;</span><span class="Punctuation">)</span>
    227. 

  227. 

  228. <span class="Keyword">for</span> <span class="Identifier">x</span> <span class="Keyword">in</span> <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">fastRows</span><span class="Punctuation">(</span><span class="RawData">sql&quot;select * from myTestTbl&quot;</span><span class="Punctuation">)</span><span class="Punctuation">:</span>
    229. 

  229.   <span class="Identifier">echo</span> <span class="Identifier">x</span>
    230. 

  230. 

  231. <span class="Keyword">let</span> <span class="Identifier">id</span> <span class="Operator">=</span> <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">tryInsertId</span><span class="Punctuation">(</span><span class="RawData">sql&quot;INSERT INTO myTestTbl (name,i,f) VALUES (?,?,?)&quot;</span><span class="Punctuation">,</span>
    232. 

  232.         <span class="StringLit">&quot;Item#1001&quot;</span><span class="Punctuation">,</span> <span class="DecNumber">1001</span><span class="Punctuation">,</span> <span class="Identifier">sqrt</span><span class="Punctuation">(</span><span class="FloatNumber">1001.0</span><span class="Punctuation">)</span><span class="Punctuation">)</span>
    233. 

  233. <span class="Identifier">echo</span> <span class="StringLit">&quot;Inserted item: &quot;</span><span class="Punctuation">,</span> <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">getValue</span><span class="Punctuation">(</span><span class="RawData">sql&quot;SELECT name FROM myTestTbl WHERE id=?&quot;</span><span class="Punctuation">,</span> <span class="Identifier">id</span><span class="Punctuation">)</span>
    234. 

  234. 

  235. <span class="Identifier">theDb</span><span class="Operator">.</span><span class="Identifier">close</span><span class="Punctuation">(</span><span class="Punctuation">)</span></pre></p>
    236. 

  236. </p>
    237. 

  237.     <div class="section" id="6">
    238. 

  238.   <h1><a class="toc-backref" href="#6">Imports</a></h1>
    239. 

  239.   <dl class="item">
    240. 

  240.     <a class="reference external" href="odbcsql.html">odbcsql</a>, <a class="reference external" href="db_common.html">db_common</a>, <a class="reference external" href="dbutils.html">dbutils</a>
    241. 

  241.   </dl>
    242. 

  242. </div>
    243. 

  243. <div class="section" id="7">
    244. 

  244.   <h1><a class="toc-backref" href="#7">Types</a></h1>
    245. 

  245.   <dl class="item">
    246. 

  246.     <div id="DbConn">
    247. 

  247.   <dt><pre><a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a> <span class="Other">=</span> <span class="Identifier">OdbcConnTyp</span></pre></dt>
    248. 

  248.   <dd>
    249. 

  249.     
    250. 

  250.     encapsulates a database connection
    251. 

  251.     
    252. 

  252.   </dd>
    253. 

  253. </div>
    254. 

  254. <div id="InstantRow">
    255. 

  255.   <dt><pre><a href="db_odbc.html#InstantRow"><span class="Identifier">InstantRow</span></a> <span class="Other">=</span> <span class="Keyword">tuple</span><span class="Other">[</span><span class="Identifier">row</span><span class="Other">:</span> <span class="Identifier">seq</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">len</span><span class="Other">:</span> <span class="Identifier">int</span><span class="Other">]</span></pre></dt>
    256. 

  256.   <dd>
    257. 

  257.     
    258. 

  258.     a handle that can be used to get a row's column text on demand
    259. 

  259.     
    260. 

  260.   </dd>
    261. 

  261. </div>
    262. 

  262. <div id="Row">
    263. 

  263.   <dt><pre><a href="db_odbc.html#Row"><span class="Identifier">Row</span></a> <span class="Other">=</span> <span class="Identifier">seq</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">]</span></pre></dt>
    264. 

  264.   <dd>
    265. 

  265.     
    266. 

  266.     a row of a dataset. NULL database values will be converted to nil.
    267. 

  267.     
    268. 

  268.   </dd>
    269. 

  269. </div>
    270. 

  270. 

  271.   </dl>
    272. 

  272. </div>
    273. 

  273. <div class="section" id="12">
    274. 

  274.   <h1><a class="toc-backref" href="#12">Procs</a></h1>
    275. 

  275.   <dl class="item">
    276. 

  276.     <div id="[]-procs-all">
    277. 

  277.   <div id="[],InstantRow,int">
    278. 

  278.   <dt><pre><span class="Keyword">proc</span> <a href="#%5B%5D%2CInstantRow%2Cint"><span class="Identifier">`[]`</span></a><span class="Other">(</span><span class="Identifier">row</span><span class="Other">:</span> <a href="db_odbc.html#InstantRow"><span class="Identifier">InstantRow</span></a><span class="Other">;</span> <span class="Identifier">col</span><span class="Other">:</span> <span class="Identifier">int</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">string</span> {.<span class="Identifier">inline</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
    279. 

  279.     <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    280. 

  280.   <dd>
    281. 

  281.     
    282. 

  282.     Returns text for given column of the row
    283. 

  283.     
    284. 

  284.   </dd>
    285. 

  285. </div>
    286. 

  286. 

  287. </div>
    288. 

  288. <div id="close-procs-all">
    289. 

  289.   <div id="close,DbConn">
    290. 

  290.   <dt><pre><span class="Keyword">proc</span> <a href="#close%2CDbConn"><span class="Identifier">close</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    291. 

  291.   <dd>
    292. 

  292.     
    293. 

  293.     Closes the database connection.
    294. 

  294.     
    295. 

  295.   </dd>
    296. 

  296. </div>
    297. 

  297. 

  298. </div>
    299. 

  299. <div id="dbError-procs-all">
    300. 

  300.   <div id="dbError,DbConn">
    301. 

  301.   <dt><pre><span class="Keyword">proc</span> <a href="#dbError%2CDbConn"><span class="Identifier">dbError</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span>
    302. 

  302.                                <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    303. 

  303.   <dd>
    304. 

  304.     
    305. 

  305.     Raises an <tt class="docutils literal"><span class="pre"><span class="Punctuation">[</span><span class="Identifier">DbError</span><span class="Punctuation">]</span></span></tt> exception with ODBC error information
    306. 

  306.     
    307. 

  307.   </dd>
    308. 

  308. </div>
    309. 

  309. 

  310. </div>
    311. 

  311. <div id="dbQuote-procs-all">
    312. 

  312.   <div id="dbQuote,string">
    313. 

  313.   <dt><pre><span class="Keyword">proc</span> <a href="#dbQuote%2Cstring"><span class="Identifier">dbQuote</span></a><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">string</span> {.<span class="Identifier">noSideEffect</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
    314. 

  314.                                   <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    315. 

  315.   <dd>
    316. 

  316.     
    317. 

  317.     DB quotes the string.
    318. 

  318.     
    319. 

  319.   </dd>
    320. 

  320. </div>
    321. 

  321. 

  322. </div>
    323. 

  323. <div id="exec-procs-all">
    324. 

  324.   <div id="exec,DbConn,SqlQuery,varargs[string,]">
    325. 

  325.   <dt><pre><span class="Keyword">proc</span> <a href="#exec%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">exec</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span> {.
    326. 

  326.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    327. 

  327.   <dd>
    328. 

  328.     
    329. 

  329.     Executes the query and raises EDB if not successful.
    330. 

  330.     
    331. 

  331.   </dd>
    332. 

  332. </div>
    333. 

  333. 

  334. </div>
    335. 

  335. <div id="execAffectedRows-procs-all">
    336. 

  336.   <div id="execAffectedRows,DbConn,SqlQuery,varargs[string,]">
    337. 

  337.   <dt><pre><span class="Keyword">proc</span> <a href="#execAffectedRows%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">execAffectedRows</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span>
    338. 

  338.                       <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">int64</span> {.
    339. 

  339.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    340. 

  340.   <dd>
    341. 

  341.     
    342. 

  342.     Runs the query (typically &quot;UPDATE&quot;) and returns the number of affected rows
    343. 

  343.     
    344. 

  344.   </dd>
    345. 

  345. </div>
    346. 

  346. 

  347. </div>
    348. 

  348. <div id="getAllRows-procs-all">
    349. 

  349.   <div id="getAllRows,DbConn,SqlQuery,varargs[string,]">
    350. 

  350.   <dt><pre><span class="Keyword">proc</span> <a href="#getAllRows%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">getAllRows</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">seq</span><span class="Other">[</span>
    351. 

  351.     <a href="db_odbc.html#Row"><span class="Identifier">Row</span></a><span class="Other">]</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    352. 

  352.   <dd>
    353. 

  353.     
    354. 

  354.     Executes the query and returns the whole result dataset.
    355. 

  355.     
    356. 

  356.   </dd>
    357. 

  357. </div>
    358. 

  358. 

  359. </div>
    360. 

  360. <div id="getRow-procs-all">
    361. 

  361.   <div id="getRow,DbConn,SqlQuery,varargs[string,]">
    362. 

  362.   <dt><pre><span class="Keyword">proc</span> <a href="#getRow%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">getRow</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="db_odbc.html#Row"><span class="Identifier">Row</span></a> {.
    363. 

  363.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    364. 

  364.   <dd>
    365. 

  365.     
    366. 

  366.     Retrieves a single row. If the query doesn't return any rows, this proc will return a Row with empty strings for each column.
    367. 

  367.     
    368. 

  368.   </dd>
    369. 

  369. </div>
    370. 

  370. 

  371. </div>
    372. 

  372. <div id="getValue-procs-all">
    373. 

  373.   <div id="getValue,DbConn,SqlQuery,varargs[string,]">
    374. 

  374.   <dt><pre><span class="Keyword">proc</span> <a href="#getValue%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">getValue</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">string</span> {.
    375. 

  375.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    376. 

  376.   <dd>
    377. 

  377.     
    378. 

  378.     Executes the query and returns the first column of the first row of the result dataset. Returns &quot;&quot; if the dataset contains no rows or the database value is NULL.
    379. 

  379.     
    380. 

  380.   </dd>
    381. 

  381. </div>
    382. 

  382. 

  383. </div>
    384. 

  384. <div id="insert-procs-all">
    385. 

  385.   <div id="insert,DbConn,SqlQuery,string,varargs[string,]">
    386. 

  386.   <dt><pre><span class="Keyword">proc</span> <a href="#insert%2CDbConn%2CSqlQuery%2Cstring%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">insert</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">pkName</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">;</span>
    387. 

  387.             <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">int64</span> {.
    388. 

  388.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">DbError</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    389. 

  389.   <dd>
    390. 

  390.     
    391. 

  391.     same as insertId
    392. 

  392.     
    393. 

  393.   </dd>
    394. 

  394. </div>
    395. 

  395. 

  396. </div>
    397. 

  397. <div id="insertId-procs-all">
    398. 

  398.   <div id="insertId,DbConn,SqlQuery,varargs[string,]">
    399. 

  399.   <dt><pre><span class="Keyword">proc</span> <a href="#insertId%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">insertId</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">int64</span> {.
    400. 

  400.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    401. 

  401.   <dd>
    402. 

  402.     
    403. 

  403.     Executes the query (typically &quot;INSERT&quot;) and returns the generated ID for the row.
    404. 

  404.     
    405. 

  405.   </dd>
    406. 

  406. </div>
    407. 

  407. 

  408. </div>
    409. 

  409. <div id="len-procs-all">
    410. 

  410.   <div id="len,InstantRow">
    411. 

  411.   <dt><pre><span class="Keyword">proc</span> <a href="#len%2CInstantRow"><span class="Identifier">len</span></a><span class="Other">(</span><span class="Identifier">row</span><span class="Other">:</span> <a href="db_odbc.html#InstantRow"><span class="Identifier">InstantRow</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">int</span> {.<span class="Identifier">inline</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    412. 

  412.   <dd>
    413. 

  413.     
    414. 

  414.     Returns number of columns in the row
    415. 

  415.     
    416. 

  416.   </dd>
    417. 

  417. </div>
    418. 

  418. 

  419. </div>
    420. 

  420. <div id="open-procs-all">
    421. 

  421.   <div id="open,string,string,string,string">
    422. 

  422.   <dt><pre><span class="Keyword">proc</span> <a href="#open%2Cstring%2Cstring%2Cstring%2Cstring"><span class="Identifier">open</span></a><span class="Other">(</span><span class="Identifier">connection</span><span class="Other">,</span> <span class="Identifier">user</span><span class="Other">,</span> <span class="Identifier">password</span><span class="Other">,</span> <span class="Identifier">database</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">)</span><span class="Other">:</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a> {.
    423. 

  423.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    424. 

  424.   <dd>
    425. 

  425.     
    426. 

  426.     <p>Opens a database connection.</p>
    427. 

  427. <p>Raises <tt class="docutils literal"><span class="pre"><span class="Identifier">EDb</span></span></tt> if the connection could not be established.</p>
    428. 

  428. <p>Currently the database parameter is ignored, but included to match <tt class="docutils literal"><span class="pre"><span class="Identifier">open</span><span class="Punctuation">(</span><span class="Punctuation">)</span></span></tt> in the other db_xxxxx library modules.</p>
    429. 

  429. 

  430.     
    431. 

  431.   </dd>
    432. 

  432. </div>
    433. 

  433. 

  434. </div>
    435. 

  435. <div id="setEncoding-procs-all">
    436. 

  436.   <div id="setEncoding,DbConn,string">
    437. 

  437.   <dt><pre><span class="Keyword">proc</span> <a href="#setEncoding%2CDbConn%2Cstring"><span class="Identifier">setEncoding</span></a><span class="Other">(</span><span class="Identifier">connection</span><span class="Other">:</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">encoding</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.
    438. 

  438.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    439. 

  439.   <dd>
    440. 

  440.     
    441. 

  441.     <p>Currently not implemented for ODBC.</p>
    442. 

  442. <p>Sets the encoding of a database connection, returns true for success, false for failure. result = set_character_set(connection, encoding) == 0</p>
    443. 

  443. 

  444.     
    445. 

  445.   </dd>
    446. 

  446. </div>
    447. 

  447. 

  448. </div>
    449. 

  449. <div id="tryExec-procs-all">
    450. 

  450.   <div id="tryExec,DbConn,SqlQuery,varargs[string,]">
    451. 

  451.   <dt><pre><span class="Keyword">proc</span> <a href="#tryExec%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">tryExec</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.
    452. 

  452.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    453. 

  453.   <dd>
    454. 

  454.     
    455. 

  455.     Tries to execute the query and returns true if successful, false otherwise.
    456. 

  456.     
    457. 

  457.   </dd>
    458. 

  458. </div>
    459. 

  459. 

  460. </div>
    461. 

  461. <div id="tryInsert-procs-all">
    462. 

  462.   <div id="tryInsert,DbConn,SqlQuery,string,varargs[string,]">
    463. 

  463.   <dt><pre><span class="Keyword">proc</span> <a href="#tryInsert%2CDbConn%2CSqlQuery%2Cstring%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">tryInsert</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">pkName</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">;</span>
    464. 

  464.                <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">int64</span> {.
    465. 

  465.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    466. 

  466.   <dd>
    467. 

  467.     
    468. 

  468.     same as tryInsertID
    469. 

  469.     
    470. 

  470.   </dd>
    471. 

  471. </div>
    472. 

  472. 

  473. </div>
    474. 

  474. <div id="tryInsertId-procs-all">
    475. 

  475.   <div id="tryInsertId,DbConn,SqlQuery,varargs[string,]">
    476. 

  476.   <dt><pre><span class="Keyword">proc</span> <a href="#tryInsertId%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">tryInsertId</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">int64</span> {.
    477. 

  477.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    478. 

  478.   <dd>
    479. 

  479.     
    480. 

  480.     Executes the query (typically &quot;INSERT&quot;) and returns the generated ID for the row or -1 in case of an error.
    481. 

  481.     
    482. 

  482.   </dd>
    483. 

  483. </div>
    484. 

  484. 

  485. </div>
    486. 

  486. <div id="unsafeColumnAt-procs-all">
    487. 

  487.   <div id="unsafeColumnAt,InstantRow,int">
    488. 

  488.   <dt><pre><span class="Keyword">proc</span> <a href="#unsafeColumnAt%2CInstantRow%2Cint"><span class="Identifier">unsafeColumnAt</span></a><span class="Other">(</span><span class="Identifier">row</span><span class="Other">:</span> <a href="db_odbc.html#InstantRow"><span class="Identifier">InstantRow</span></a><span class="Other">;</span> <span class="Identifier">index</span><span class="Other">:</span> <span class="Identifier">int</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">cstring</span> {.<span class="Identifier">inline</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
    489. 

  489.     <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    490. 

  490.   <dd>
    491. 

  491.     
    492. 

  492.     Return cstring of given column of the row
    493. 

  493.     
    494. 

  494.   </dd>
    495. 

  495. </div>
    496. 

  496. 

  497. </div>
    498. 

  498. 

  499.   </dl>
    500. 

  500. </div>
    501. 

  501. <div class="section" id="15">
    502. 

  502.   <h1><a class="toc-backref" href="#15">Iterators</a></h1>
    503. 

  503.   <dl class="item">
    504. 

  504.     <div id="fastRows-iterators-all">
    505. 

  505.   <div id="fastRows.i,DbConn,SqlQuery,varargs[string,]">
    506. 

  506.   <dt><pre><span class="Keyword">iterator</span> <a href="#fastRows.i%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">fastRows</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="db_odbc.html#Row"><span class="Identifier">Row</span></a> {.
    507. 

  507.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    508. 

  508.   <dd>
    509. 

  509.     
    510. 

  510.     <p>Executes the query and iterates over the result dataset.</p>
    511. 

  511. <p>This is very fast, but potentially dangerous.  Use this iterator only if you require <strong>ALL</strong> the rows.</p>
    512. 

  512. <p>Breaking the fastRows() iterator during a loop may cause a driver error for subsequent queries</p>
    513. 

  513. <p>Rows are retrieved from the server at each iteration.</p>
    514. 

  514. 

  515.     
    516. 

  516.   </dd>
    517. 

  517. </div>
    518. 

  518. 

  519. </div>
    520. 

  520. <div id="instantRows-iterators-all">
    521. 

  521.   <div id="instantRows.i,DbConn,SqlQuery,varargs[string,]">
    522. 

  522.   <dt><pre><span class="Keyword">iterator</span> <a href="#instantRows.i%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">instantRows</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="db_odbc.html#InstantRow"><span class="Identifier">InstantRow</span></a> {.
    523. 

  523.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">DbError</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    524. 

  524.   <dd>
    525. 

  525.     
    526. 

  526.     Same as fastRows but returns a handle that can be used to get column text on demand using <tt class="docutils literal"><span class="pre"><span class="Punctuation">[</span><span class="Punctuation">]</span></span></tt>. Returned handle is valid only within the iterator body.
    527. 

  527.     
    528. 

  528.   </dd>
    529. 

  529. </div>
    530. 

  530. 

  531. </div>
    532. 

  532. <div id="rows-iterators-all">
    533. 

  533.   <div id="rows.i,DbConn,SqlQuery,varargs[string,]">
    534. 

  534.   <dt><pre><span class="Keyword">iterator</span> <a href="#rows.i%2CDbConn%2CSqlQuery%2Cvarargs%5Bstring%2C%5D"><span class="Identifier">rows</span></a><span class="Other">(</span><span class="Identifier">db</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="db_odbc.html#DbConn"><span class="Identifier">DbConn</span></a><span class="Other">;</span> <span class="Identifier">query</span><span class="Other">:</span> <a href="db_common.html#SqlQuery"><span class="Identifier">SqlQuery</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">,</span> <span class="Other">`</span><span class="Operator">$</span><span class="Other">`</span><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="db_odbc.html#Row"><span class="Identifier">Row</span></a> {.
    535. 

  535.     <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#ReadDbEffect"><span class="Identifier">ReadDbEffect</span></a><span class="Other">,</span> <a href="db_common.html#WriteDbEffect"><span class="Identifier">WriteDbEffect</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><a href="db_common.html#DbError"><span class="Identifier">DbError</span></a><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
    536. 

  536.   <dd>
    537. 

  537.     
    538. 

  538.     <p>Same as <tt class="docutils literal"><span class="pre"><span class="Identifier">fastRows</span></span></tt>, but slower and safe.</p>
    539. 

  539. <p>This retrieves ALL rows into memory before iterating through the rows. Large dataset queries will impact on memory usage.</p>
    540. 

  540. 

  541.     
    542. 

  542.   </dd>
    543. 

  543. </div>
    544. 

  544. 

  545. </div>
    546. 

  546. 

  547.   </dl>
    548. 

  548. </div>
    549. 

  549. 

  550.   </div>
    551. 

  551. </div>
    552. 

  552. 

  553.       <div class="twelve-columns footer">
    554. 

  554.         <span class="nim-sprite"></span>
    555. 

  555.         <br>
    556. 

  556.         <small style="color: var(--hint);">Made with Nim. Generated: 2025-03-15 14:13:56 UTC</small>
    557. 

  557.       </div>
    558. 

  558.     </div>
    559. 

  559.   </div>
    560. 

  560.       <script defer data-domain="nim-lang.org" src="https://plausible.io/js/plausible.js"></script>
    561. 

  561.     
    562. 

  562. </body>
    563. 

  563. </html>
    564. 

  564.