db2_procedure

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Descripción

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.

Lista de parámetros

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.

Valores retornados

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 name Description

PROCEDURE_CAT The catalog that contains the procedure. The value is NULL if this table does not have catalogs.

PROCEDURE_SCHEM Name of the schema that contains the stored procedure.

PROCEDURE_NAME Name of the procedure.

COLUMN_NAME Name of the parameter.

COLUMN_TYPE

An integer value representing the type of the parameter:

Return value	Parameter 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_TYPE The SQL data type for the parameter represented as an integer value.

TYPE_NAME A string representing the data type for the parameter.

COLUMN_SIZE An 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).

NULLABLE An integer value representing whether the parameter is nullable or not.

REMARKS Description of the parameter.

COLUMN_DEF Default value for the parameter.

SQL_DATA_TYPE An 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_POSITION The 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.

Ver también

db2_column_privileges()

db2_columns()

db2_foreign_keys()

db2_primary_keys()

db2_procedures()

db2_special_columns()

db2_statistics()

db2_table_privileges()

db2_tables()

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db2_primary_keys	Subir	db2_procedures