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CALLSQL

Retrieves and executes an SQL query stored in the SystemSQL table.

Syntax

<CALLSQL 
   QRYNAME="QRY_NAME" 
   LIST="LIST"
   [LIMIT="MAX_NO_RESULTS"]/>

Parameters

QRYNAME (required)

Name of query to retrieve and execute.

LIST (required)

Name of list to contain resultset.

LIMIT (optional)

Maximum number of rows in the resultset. Note that there is no limit if the parameters are missing or set to a negative number.

Description

The CALLSQL tag retrieves and executes an SQL query stored in the SystemSQL table. The resultset of the query is cached against the table name specified for the query in the SystemSQL table. The table name must exist in the database prior to calling CALLSQL.

Note The deftable column in the SystemSQL table can specify a comma-separated list of table names.

Error Numbers

The possible values of errno include:

Value	Description
-15	No file found.
-101	No rows found.
-102	Empty column.
-103	No such table.
-104	No table definition.
-106	Bad parameter.

Example

This example executes a query called gettables and stores the resultset in newrs. The tblname and defdir for each row in newrs are displayed.

<SETVAR NAME="errno" VALUE="0"/>
<CALLSQL QRYNAME="gettables" LIST="newrs"/>
<LOOP LIST="news"> 
    Tablename: <CSVAR NAME="newrs.tblname"/>
    Directory: <CSVAR NAME="newrs.defdir"/>
</LOOP>
<IF COND="IsError.Variables.errno=true">
	 	 <THEN>
	 	 <!--Handle error-->
	 	 </THEN>
</IF>

See Also

EXECSQL
RENAMELIST
SELECTTO
ICS.LITERAL

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