pg_set_chunked_rows_size
pg_set_chunked_rows_size
Set the query results to be retrieved in chunk mode
bool **pg_set_chunked_rows_size** PgSql\Connection $connection int $size
Set the query results to be retrieved in chunk mode.
The query results returned afterward will be divided into multiple chunks,
each containing up to rows.
This function must be called before retrieving results with .
This function is only available when libpq is version 17 or higher.
size``pg_get_result
connection``sizeThe number of rows to be retrieved in each chunk.
return.success
If is less than ,
a will be thrown.
size``1``ValueError
Voorbeeld: example
<?php
$conn = pg_connect($conn_str);
for ($i = 0; $i < 10; $i ++) {
pg_query($conn, "INSERT INTO users DEFAULT VALUES");
}
pg_send_query($conn, "SELECT * FROM users");
pg_set_chunked_rows_size($conn, 1);
$result = pg_get_result($conn);
var_dump(pg_num_rows($result));
// No effect after the result is retrieved
var_dump(pg_set_chunked_rows_size($conn, 10));
int(1)
bool(false)
pg_get_result``pg_result_status