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getFunctions Method (SQLServerDatabaseMetaData)

Retrieves a description of the system and user functions.

NotaNota:

This feature is introduced starting with the Microsoft SQL Server JDBC Driver version 2.0.


public ResultSet getFunctions(java.lang.String catalog,
                       java.lang.String schemaPattern,
                       java.lang.String functionNamePattern)

Parámetros

catalog

The name of a catalog in the database. If it is an empty string "", the result includes the functions without a catalog. If it is null, the catalog name is not used for search.

schemaPattern

The name of a schema. If it is an empty string "", the result includes the functions without a schema. If it is null, the schema name is not used for search.

functionNamePattern

The name of a function.

This getFunctions method is specified by the getFunctions method in the java.sql.DatabaseMetaData interface.

This method returns only the system and user functions that match the specified schema and function name.

NotaImportante:

The returned result set can contain functions that the calling user does not have permissions to execute.

Each function description includes the following columns:

Name Type Description

FUNCTION_CAT

String

The name of the database in which the function resides.

FUNCTION_SCHEM

String

The name of the schema in which the function resides.

FUNCTION_NAME

String

The name of the function.

NUM_INPUT_PARAMS

int

Reserved for future use, currently returns a -1 value.

NUM_OUTPUT_PARAMS

int

Reserved for future use, currently returns a -1 value.

NUM_RESULT_SETS

int

Reserved for future use, currently returns a -1 value.

REMARKS

String

The comments about the function.

FUNCTION_TYPE

short

The type of the function. It can be one of the following values:

SQL_PT_UNKNOWN (0)

SQL_PT_PROCEDURE (1)

SQL_PT_FUNCTION (2)

All the descriptions in the returned result set are ordered by FUNCTION_CAT, FUNCTION_SCHEM, FUNCTION_NAME, and SPECIFIC_NAME.

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