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SQL Engine parse tree methods for .NET : SQL pass-through and advanced query methods reference : damex_describeCond
 

damex_describeCond

This method retrieves the description of the condition. The condition is one of the following formats:
• left_val_exp {IS NULL | IS NOT NULL}
• left_val_exp {> | < | <= | >= | = | NOT = } right_val_exp
• left_val_exp {LIKE | NOT LIKE} right_val_exp
• left_val_exp {BETWEEN | NOT BETWEEN} right_val_exp AND extra_val_exp
int damex_describeCond(
int64 hCond,
out int piType,
out int64 phLeftValExp,
out int64 phRightValExp,
out int64 phExtraValExp)
 
Table 212: Parameters for damex_describeCond 
Parameter
Type
Description
IN
 
 
hcol
int64
Condition handle
OUT
 
 
piType
int
Operator type. The value of the operator type can be a bitwise OR of the following values:
• SQL_OP_GREATER
• SQL_OP_SMALLER
• SQL_OP_LIKE
• SQL_OP_ISNULL
• SQL_OP_NULL
• SQL_OP_NOT
• SQL_OP_BETWEEN
• SQL_OP_IN
phLeftValExp
int64
The handle to the left value expression
phRightValExp
int64
The handle to the right value expression. This value is NULL when the operator type is SQL_OP_NULL.
phExtraValExp
int64
The handle to the extra value expression. This value is set only when the operator is SQL_OP_BETWEEN.
RETURN
 
 
 
int
DAM_SUCCESS – valid condition returned
DAM_FAILURE – on error