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The following example uses <b>db2_exec()</b> to issue a set of DDL statements in the process of creating a table. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Create the test table<br /></span><span style="color: #0000BB">$create </span><span style="color: #007700">= </span><span style="color: #DD0000">'CREATE TABLE animals (id INTEGER, breed VARCHAR(32),<br /> name CHAR(16), weight DECIMAL(7,2))'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$create</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$result</span><span style="color: #007700">) {<br /> print </span><span style="color: #DD0000">"Successfully created the table.\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// Populate the test table<br /></span><span style="color: #0000BB">$animals </span><span style="color: #007700">= array(<br /> array(</span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #DD0000">'cat'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Pook'</span><span style="color: #007700">, </span><span style="color: #0000BB">3.2</span><span style="color: #007700">),<br /> array(</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">'dog'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Peaches'</span><span style="color: #007700">, </span><span style="color: #0000BB">12.3</span><span style="color: #007700">),<br /> array(</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #DD0000">'horse'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Smarty'</span><span style="color: #007700">, </span><span style="color: #0000BB">350.0</span><span style="color: #007700">),<br /> array(</span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #DD0000">'gold fish'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Bubbles'</span><span style="color: #007700">, </span><span style="color: #0000BB">0.1</span><span style="color: #007700">),<br /> array(</span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #DD0000">'budgerigar'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Gizmo'</span><span style="color: #007700">, </span><span style="color: #0000BB">0.2</span><span style="color: #007700">),<br /> array(</span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #DD0000">'goat'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Rickety Ride'</span><span style="color: #007700">, </span><span style="color: #0000BB">9.7</span><span style="color: #007700">),<br /> array(</span><span style="color: #0000BB">6</span><span style="color: #007700">, </span><span style="color: #DD0000">'llama'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Sweater'</span><span style="color: #007700">, </span><span style="color: #0000BB">150</span><span style="color: #007700">)<br />);<br /><br />foreach (</span><span style="color: #0000BB">$animals </span><span style="color: #007700">as </span><span style="color: #0000BB">$animal</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$rc </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"INSERT INTO animals (id, breed, name, weight)<br /> VALUES ({$animal[0]}, '{$animal[1]}', '{$animal[2]}', {$animal[3]})"</span><span style="color: #007700">);<br /> if (</span><span style="color: #0000BB">$rc</span><span style="color: #007700">) {<br /> print </span><span style="color: #DD0000">"Insert... "</span><span style="color: #007700">;<br /> }<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>Successfully created the table.Insert... Insert... Insert... Insert... Insert... Insert... Insert... </pre></div> </pre></div> </div> <div class="example"> <p><b>Example #2 Executing a SELECT statement with a scrollable cursor</b></p> <div class="example-contents"><p> The following example demonstrates how to request a scrollable cursor for an SQL statement issued by <b>db2_exec()</b>. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT name FROM animals<br /> WHERE weight < 10.0<br /> ORDER BY name"</span><span style="color: #007700">;<br />if (</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> require_once(</span><span style="color: #DD0000">'prepare.inc'</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">, array(</span><span style="color: #DD0000">'cursor' </span><span style="color: #007700">=> </span><span style="color: #0000BB">DB2_SCROLLABLE</span><span style="color: #007700">));<br /> while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)) {<br /> print </span><span style="color: #DD0000">"$row[0]\n"</span><span style="color: #007700">;<br /> }<br />} <br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>BubblesGizmoPookRickety Ride</pre></div> </pre></div> </div> <div class="example"> <p><b>Example #3 Returning XML data as a SQL ResultSet</b></p> <div class="example-contents"><p> The following example demonstrates how to work with documents stored in a XML column using the SAMPLE database. Using some pretty simple SQL/XML, this example returns some of the nodes in a XML document in a SQL ResultSet format that most users are familiar with. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"SAMPLE"</span><span style="color: #007700">, </span><span style="color: #DD0000">"db2inst1"</span><span style="color: #007700">, </span><span style="color: #DD0000">"ibmdb2"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">'SELECT * FROM XMLTABLE(<br /> XMLNAMESPACES (DEFAULT \'http://posample.org\'),<br /> \'db2-fn:xmlcolumn("CUSTOMER.INFO")/customerinfo\'<br /> COLUMNS<br /> "CID" VARCHAR (50) PATH \'@Cid\',<br /> "NAME" VARCHAR (50) PATH \'name\',<br /> "PHONE" VARCHAR (50) PATH \'phone [ @type = "work"]\'<br /> ) AS T<br /> WHERE NAME = \'Kathy Smith\'<br /> '</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /><br />while(</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)){<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"$row->CID $row->NAME $row->PHONE\n"</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">db2_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>1000 Kathy Smith 416-555-13581001 Kathy Smith 905-555-7258</pre></div> </pre></div> </div> <div class="example"> <p><b>Example #4 Performing a "JOIN" with XML data</b></p> <div class="example-contents"><p> The following example works with documents stored in 2 different XML columns in the SAMPLE database. It creates 2 temporary tables from the XML documents from 2 different columns and returns a SQL ResultSet with information regarding shipping status for the customer. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"SAMPLE"</span><span style="color: #007700">, </span><span style="color: #DD0000">"db2inst1"</span><span style="color: #007700">, </span><span style="color: #DD0000">"ibmdb2"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">'<br /> SELECT A.CID, A.NAME, A.PHONE, C.PONUM, C.STATUS<br /> FROM<br /> XMLTABLE(<br /> XMLNAMESPACES (DEFAULT \'http://posample.org\'),<br /> \'db2-fn:xmlcolumn("CUSTOMER.INFO")/customerinfo\'<br /> COLUMNS<br /> "CID" BIGINT PATH \'@Cid\',<br /> "NAME" VARCHAR (50) PATH \'name\',<br /> "PHONE" VARCHAR (50) PATH \'phone [ @type = "work"]\'<br /> ) as A,<br /> PURCHASEORDER AS B,<br /> XMLTABLE (<br /> XMLNAMESPACES (DEFAULT \'http://posample.org\'),<br /> \'db2-fn:xmlcolumn("PURCHASEORDER.PORDER")/PurchaseOrder\'<br /> COLUMNS<br /> "PONUM" BIGINT PATH \'@PoNum\',<br /> "STATUS" VARCHAR (50) PATH \'@Status\'<br /> ) as C<br /> WHERE A.CID = B.CUSTID AND<br /> B.POID = C.PONUM AND<br /> A.NAME = \'Kathy Smith\'<br />'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /><br />while(</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)){<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"$row->CID $row->NAME $row->PHONE $row->PONUM $row->STATUS\n"</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">db2_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>1001 Kathy Smith 905-555-7258 5002 Shipped</pre></div> </pre></div> </div> <div class="example"> <p><b>Example #5 Returning SQL data as part of a larger XML document</b></p> <div class="example-contents"><p> The following example works with a portion of the PRODUCT.DESCRIPTION documents in the SAMPLE database. It creates a XML document containing product description (XML data) and pricing info (SQL data). </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"SAMPLE"</span><span style="color: #007700">, </span><span style="color: #DD0000">"db2inst1"</span><span style="color: #007700">, </span><span style="color: #DD0000">"ibmdb2"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">'<br />SELECT<br />XMLSERIALIZE(<br />XMLQUERY(\'<br /> declare boundary-space strip;<br /> declare default element namespace "http://posample.org";<br /> <promoList> {<br /> for $prod in $doc/product<br /> where $prod/description/price < 10.00<br /> order by $prod/description/price ascending<br /> return(<br /> <promoitem> {<br /> $prod,<br /> <startdate> {$start} </startdate>,<br /> <enddate> {$end} </enddate>,<br /> <promoprice> {$promo} </promoprice><br /> } </promoitem><br /> )<br /> } </promoList><br />\' passing by ref DESCRIPTION AS "doc",<br />PROMOSTART as "start",<br />PROMOEND as "end",<br />PROMOPRICE as "promo"<br />RETURNING SEQUENCE)<br />AS CLOB (32000))<br />AS NEW_PRODUCT_INFO<br />FROM PRODUCT<br />WHERE PID = \'100-100-01\'<br />'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /><br />while(</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)){<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"$row[0]\n"</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">db2_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre><promoList xmlns="http://posample.org"> <promoitem> <product pid="100-100-01"> <description> <name>Snow Shovel, Basic 22 inch</name> <details>Basic Snow Shovel, 22 inches wide, straight handle with D-Grip</details> <price>9.99</price> <weight>1 kg</weight> </description> </product> <startdate>2004-11-19</startdate> <enddate>2004-12-19</enddate> <promoprice>7.25</promoprice> </promoitem></promoList></pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.db2-execute.html" class="function" rel="rdfs-seeAlso">db2_execute()</a></li> <li class="member"><a href="function.db2-prepare.html" class="function" rel="rdfs-seeAlso">db2_prepare()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-escape-string.html">db2_escape_string</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-execute.html">db2_execute</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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