db2_exec
db2_fetch_array
IBM DB2 Funções
PHP Manual

# db2_execute

(PECL ibm_db2 >= 1.0.0)

db2_execute — Executes a prepared SQL statement

### Descrição

bool db2_execute ( resource `$stmt` [, array `$parameters` ] )

db2_execute() executes an SQL statement that was prepared by db2_prepare().

If the SQL statement returns a result set, for example, a SELECT statement or a CALL to a stored procedure that returns one or more result sets, you can retrieve a row as an array from the stmt resource using db2_fetch_assoc(), db2_fetch_both(), or db2_fetch_array(). Alternatively, you can use db2_fetch_row() to move the result set pointer to the next row and fetch a column at a time from that row with db2_result().

Refer to db2_prepare() for a brief discussion of the advantages of using db2_prepare() and db2_execute() rather than db2_exec().

### Parâmetros

`stmt`

  A prepared statement returned from db2_prepare().

`parameters`

  An array of input parameters matching any parameter markers contained in the prepared statement.

### Valor Retornado

Retorna `TRUE` em caso de sucesso ou `FALSE` em falhas.

### Exemplos

Exemplo #1 Preparing and executing an SQL statement with parameter markers

The following example prepares an INSERT statement that accepts four parameter markers, then iterates over an array of arrays containing the input values to be passed to db2_execute().

`<?php
$pet = array(0, 'cat', 'Pook', 3.2);
$insert = 'INSERT INTO animals (id, breed, name, weight)
VALUES (?, ?, ?, ?)';
$stmt = db2_prepare($conn, $insert);
if ($stmt) {
$result = db2_execute($stmt, $pet);
if ($result) {
print "Successfully added new pet.";
}
}
?>`

O exemplo acima irá imprimir:

    Successfully added new pet.

Exemplo #2 Calling a stored procedure with an OUT parameter

The following example prepares a CALL statement that accepts one parameter marker representing an OUT parameter, binds the PHP variable $my_pets to the parameter using db2_bind_param(), then issues db2_execute() to execute the CALL statement. After the CALL to the stored procedure has been made, the value of $num_pets changes to reflect the value returned by the stored procedure for that OUT parameter.

`<?php
$num_pets = 0;
$res = db2_prepare($conn, "CALL count_my_pets(?)");
$rc = db2_bind_param($res, 1, "num_pets", DB2_PARAM_OUT);
$rc = db2_execute($res);
print "I have $num_pets pets!";
?>`

O exemplo acima irá imprimir:

    I have 7 pets!

Exemplo #3 Returning XML data as an SQL ResultSet

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 an SQL ResultSet format that most users are familiar with.

`<?php
$conn = db2_connect("SAMPLE", "db2inst1", "ibmdb2");
$query = 'SELECT * FROM XMLTABLE(
XMLNAMESPACES (DEFAULT \'http://posample.org\'),
\'db2-fn:xmlcolumn("CUSTOMER.INFO")/customerinfo\'
COLUMNS
"CID" VARCHAR (50) PATH \'@Cid\',
"NAME" VARCHAR (50) PATH \'name\',
"PHONE" VARCHAR (50) PATH \'phone [ @type = "work"]\'
) AS T
WHERE NAME = ?
';
$stmt = db2_prepare($conn, $query);
$name = 'Kathy Smith';
if ($stmt) {
db2_bind_param($stmt, 1, "name", DB2_PARAM_IN);
db2_execute($stmt);
while($row = db2_fetch_object($stmt)){
printf("$row->CID $row->NAME $row->PHONE\n");
}
}
db2_close($conn);
?>`

O exemplo acima irá imprimir:

    1000     Kathy Smith     416-555-1358
    1001     Kathy Smith     905-555-7258

Exemplo #4 Performing a "JOIN" with XML data

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 an SQL ResultSet with information regarding shipping status for the customer.

`<?php
$conn = db2_connect("SAMPLE", "db2inst1", "ibmdb2");
$query = '
SELECT A.CID, A.NAME, A.PHONE, C.PONUM, C.STATUS
FROM
XMLTABLE(
XMLNAMESPACES (DEFAULT \'http://posample.org\'),
\'db2-fn:xmlcolumn("CUSTOMER.INFO")/customerinfo\'
COLUMNS
"CID" BIGINT PATH \'@Cid\',
"NAME" VARCHAR (50) PATH \'name\',
"PHONE" VARCHAR (50) PATH \'phone [ @type = "work"]\'
) as A,
PURCHASEORDER AS B,
XMLTABLE (
XMLNAMESPACES (DEFAULT \'http://posample.org\'),
\'db2-fn:xmlcolumn("PURCHASEORDER.PORDER")/PurchaseOrder\'
COLUMNS
"PONUM" BIGINT PATH \'@PoNum\',
"STATUS" VARCHAR (50) PATH \'@Status\'
) as C
WHERE A.CID = B.CUSTID AND
B.POID = C.PONUM AND
A.NAME = ?
';
$stmt = db2_prepare($conn, $query);
$name = 'Kathy Smith';
if ($stmt) {
db2_bind_param($stmt, 1, "name", DB2_PARAM_IN);
db2_execute($stmt);
while($row = db2_fetch_object($stmt)){
printf("$row->CID $row->NAME $row->PHONE $row->PONUM $row->STATUS\n");
}
}
db2_close($conn);
?>`

O exemplo acima irá imprimir:

    1001     Kathy Smith     905-555-7258     5002     Shipped

Exemplo #5 Returning SQL data as part of a larger XML document

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).

`<?php
$conn = db2_connect("SAMPLE", "db2inst1", "ibmdb2");
$query = '
SELECT
XMLSERIALIZE(
XMLQUERY(\'
declare boundary-space strip;
declare default element namespace "http://posample.org";
<promoList> {
for $prod in $doc/product
where $prod/description/price < 10.00
order by $prod/description/price ascending
return(
<promoitem> {
$prod,
<startdate> {$start} </startdate>,
<enddate> {$end} </enddate>,
<promoprice> {$promo} </promoprice>
} </promoitem>
)
} </promoList>
\' passing by ref DESCRIPTION AS "doc",
PROMOSTART as "start",
PROMOEND as "end",
PROMOPRICE as "promo"
RETURNING SEQUENCE)
AS CLOB (32000))
AS NEW_PRODUCT_INFO
FROM PRODUCT
WHERE PID = ?
';
$stmt = db2_prepare($conn, $query);
$pid = "100-100-01";
if ($stmt) {
db2_bind_param($stmt, 1, "pid", DB2_PARAM_IN);
db2_execute($stmt);
while($row = db2_fetch_array($stmt)){
printf("$row[0]\n");
}
}
db2_close($conn);
?>`

O exemplo acima irá imprimir:

    <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>

### Veja Também

- db2_exec() - Executes an SQL statement directly
- db2_fetch_array() - Returns an array, indexed by column position, representing a row in a result set
- db2_fetch_assoc() - Returns an array, indexed by column name, representing a row in a result set
- db2_fetch_both() - Returns an array, indexed by both column name and position, representing a row in a result set
- db2_fetch_row() - Sets the result set pointer to the next row or requested row
- db2_prepare() - Prepares an SQL statement to be executed
- db2_result() - Returns a single column from a row in the result set

db2_exec
db2_fetch_array
IBM DB2 Funções
PHP Manual