compute_unique_table_row_condition

Description:

public SqlExpr? compute_unique_table_row_condition (SqlStatementSelect stsel, MetaTable mtable, bool require_pk) throws Error

Computes a SqlExpr expression which can be used in the WHERE clause of an UPDATE or DELETE statement when a row from the result of the stsel statement has to be modified.

Parameters:

stsel	a `GdaSqlSelectStatement`
mtable	a MetaTable
require_pk	set to TRUE if a primary key ir required

Returns:

a new SqlExpr, or null if an error occurred.

Namespace: Gda

Package: libgda-6.0