db2_procedure_columns

db2_procedure_columns

(PECL)

db2_procedure_columns --  Returns a result set listing stored procedure parameters

Description

resource db2_procedure_columns ( resource connection, string qualifier, string schema, string procedure, string parameter )

Returns a result set listing the parameters for one or more stored procedures.

Parameters

connection

A valid connection to an IBM DB2, Cloudscape, or Apache Derby database.

qualifier

A qualifier for DB2 databases running on OS/390 or z/OS servers. For other databases, pass NULL or an empty string.

schema

The schema which contains the procedures. This parameter accepts a search pattern containing _ and % as wildcards.

procedure

The name of the procedure. This parameter accepts a search pattern containing _ and % as wildcards.

parameter

The name of the parameter. This parameter accepts a search pattern containing _ and % as wildcards. If this parameter is NULL, all parameters for the specified stored procedures are returned.

Return Values

Returns a statement resource with a result set containing rows describing the parameters for the stored procedures matching the specified parameters. The rows are composed of the following columns:

Column nameDescription
PROCEDURE_CATThe catalog that contains the procedure. The value is NULL if this table does not have catalogs.
PROCEDURE_SCHEMName of the schema that contains the stored procedure.
PROCEDURE_NAMEName of the procedure.
COLUMN_NAMEName of the parameter.
COLUMN_TYPE

An integer value representing the type of the parameter:

Return valueParameter type
1 (SQL_PARAM_INPUT)Input (IN) parameter.
2 (SQL_PARAM_INPUT_OUTPUT)Input/output (INOUT) parameter.
3 (SQL_PARAM_OUTPUT)Output (OUT) parameter.

DATA_TYPEThe SQL data type for the parameter represented as an integer value.
TYPE_NAMEA string representing the data type for the parameter.
COLUMN_SIZEAn integer value representing the size of the parameter.
BUFFER_LENGTH Maximum number of bytes necessary to store data for this parameter.
DECIMAL_DIGITS The scale of the parameter, or NULL where scale is not applicable.
NUM_PREC_RADIX An integer value of either 10 (representing an exact numeric data type), 2 (representing an approximate numeric data type), or NULL (representing a data type for which radix is not applicable).
NULLABLEAn integer value representing whether the parameter is nullable or not.
REMARKSDescription of the parameter.
COLUMN_DEFDefault value for the parameter.
SQL_DATA_TYPEAn integer value representing the size of the parameter.
SQL_DATETIME_SUB Returns an integer value representing a datetime subtype code, or NULL for SQL data types to which this does not apply.
CHAR_OCTET_LENGTH Maximum length in octets for a character data type parameter, which matches COLUMN_SIZE for single-byte character set data, or NULL for non-character data types.
ORDINAL_POSITIONThe 1-indexed position of the parameter in the CALL statement.
IS_NULLABLE A string value where 'YES' means that the parameter accepts or returns NULL values and 'NO' means that the parameter does not accept or return NULL values.

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