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Status Not under consideration
Workspace IBM i
Categories Db2 for i
Created by Guest
Created on May 25, 2017

RELATED IDEAS

Increase size of SQL host variables

According to documentation the limit for an SQL statement is 2^21 bytes, yet the limit for a host variable in a dynamic SQL statement is approximately 2^15 bytes.

This is preventing SQL statements larger than 32740 bytes from being prepared and executed.


Use Case:

Customers use 3rd party tools to provide SQL overrides to our software. Some of these tools provide the SQL in 3-tier name format; i.e. SELECT MY_SCHEMA.MY_TABLE_COLUMN_NAME_001, MY_SCHEMA.MY_TABLE_COLUMN_NAME_002 FROM MY_SCHEMA.MY_TABLE

Complex SQL statements that join multiple tables can easily exceed the current host variable limit.


Idea priority High
  • Guest
    Reply
    |     Jun 30, 2017

    This RFE is being rejected because DB2 for i already supports a technical solution to this problem.
    A CLOB can be used.
    The embedded SQL user needs to declare the CLOB using an SQL TYPE.
    For example:
    extern SQL TYPE IS CLOB(64K) gsqlstruct;

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