Hitachi

Hitachi Advanced Database SQL Reference


7.15.1 Specification format and rules for system-defined functions

The functions provided by HADB are called system-defined functions.

Organization of this subsection

(1) Specification format

system-defined-function::={ADB_AUDITREAD-function|ADB_CSVREAD-function}

(2) Explanation of specification format

ADB_AUDITREAD-function:

The ADB_AUDITREAD function converts the audit trails in an audit trail file into a dataset in a table format such that the data can be retrieved by the HADB server. For details about the ADB_AUDITREAD function, see 7.15.2 ADB_AUDITREAD function.

ADB_CSVREAD-function:

The ADB_CSVREAD function converts the data in a CSV file into a dataset in a table format such that the data can be retrieved by the HADB server. For details about the ADB_CSVREAD function, see 7.15.3 ADB_CSVREAD function.

(3) Rules

  1. A maximum of 1,000 arguments can be specified for a system-defined function.