• A5_COMBINE_FILTERS Function
• A5_GET_RECORDS_IN_QUERY Function
• A5_HAS_BASE_FILTER Function
• A5_REPLACE_PARAMETERS_MULTI Function
• a5_save_query Function
• a5_show_mru_query Function
• a5_toggle_qbf_genie Function
• a5cs_analyzesimplequery Function
• a5cs_determineoptimalquerylocation Function
• a5cs_getquerylocation Function
• CONVERT_EXPRESSION Function
• CROSSLEVEL Function
• EXPRESSION_COMMON_FILTER_ELIMINATE Function
• EXPRESSION_COMMON_ORDER_ELIMINATE Function
• EXPRESSION_INFO Function
• EXPRESSION_SUBEXPRESSION_ELIMINATE Function
• FLATTENQUERY Function
• MRU_QUERY Function
• QUERY_FILTER_GET Function
• query_load Function
• QUERY_ORDER_GET Function
• query_save Function
• REPLACE_PARAMETERS Function
• TYPEOF Function
• UNIQUE_KEY_VALUE Function

EXPRESSION_INFO Function

Syntax

Arguments

expr

An Xbasic expression referring to a table or set in the current session.r

property

The type of information returned:

Description

Takes an expression and gets information about it. type - expression type ref_tabl - 'T' if references any table eref_children - 'T' if references children ref_one_to_manys - 'T' if references one-to-many children table_names - tables referenced field_names - field referencedleaves - leaf expression (conditional)

Discussion

EXPRESSION_INFO() returns information about an Expression. The type of information returned is specified by Property. The expression must refer to a table or set in the current session.

See Also

• Query Functions and Methods
• TYPEOF()