use of org.apache.jena.jdbc.results.metadata.columns.BooleanColumn in project jena by apache.
the class TestMetaResultSet method meta_result_set_boolean_01.
/**
* Test retrieving meta column values
*
* @throws SQLException
*/
@Test
public void meta_result_set_boolean_01() throws SQLException {
MetaResultSet results = new MetaResultSet(new ColumnInfo[] { new BooleanColumn("Test", ResultSetMetaData.columnNullable) }, new Object[][] { { true } });
Assert.assertTrue(results.next());
Assert.assertTrue(results.getBoolean(1));
Assert.assertFalse(results.wasNull());
Assert.assertFalse(results.next());
results.close();
Assert.assertTrue(results.isClosed());
}
use of org.apache.jena.jdbc.results.metadata.columns.BooleanColumn in project jena by apache.
the class MetadataSchema method init.
/**
* Synchronized static initializer is called by the class static
* initializer, this is done to avoid multi-threaded race conditions and
* ensure once only initialization
*/
private static synchronized void init() {
if (init)
return;
try {
// Define all the columns we are going to use since some of these
// appear in multiple schema
ColumnInfo empty = new StringColumn("", columnNullable);
ColumnInfo typeCat = new StringColumn("TYPE_CATA", columnNullable);
ColumnInfo typeSchema = new StringColumn("TYPE_SCHEM", columnNullable);
ColumnInfo typeName = new StringColumn("TYPE_NAME", columnNoNulls);
ColumnInfo attrName = new StringColumn("ATTR_NAME", columnNoNulls);
ColumnInfo dataType = new IntegerColumn("DATA_TYPE", columnNoNulls, true);
ColumnInfo attrTypeName = new StringColumn("ATTR_TYPE_NAME", columnNoNulls);
ColumnInfo attrSize = new IntegerColumn("ATTR_SIZE", columnNoNulls, true);
ColumnInfo decimalDigits = new IntegerColumn("DECIMAL_DIGITS", columnNoNulls, true);
ColumnInfo numPrecRadix = new IntegerColumn("NUM_PREC_RADIX", columnNoNulls, true);
ColumnInfo nullable = new IntegerColumn("NULLABLE", columnNoNulls, true);
ColumnInfo shortNullable = new ShortIntegerColumn("NULLABLE", columnNoNulls, true);
ColumnInfo remarks = new StringColumn("REMARKS", columnNullable);
ColumnInfo attrDef = new StringColumn("ATTR_DEF", columnNullable);
ColumnInfo sqlDataType = new IntegerColumn("SQL_DATA_TYPE", columnNoNulls, true);
ColumnInfo sqlDateTimeSub = new IntegerColumn("SQL_DATETIME_SUB", columnNoNulls, true);
ColumnInfo charOctetLength = new IntegerColumn("CHAR_OCTET_LENGTH", columnNoNulls, true);
ColumnInfo ordinalPosition = new IntegerColumn("ORDINAL_POSITION", columnNoNulls, true);
ColumnInfo isNullable = new StringColumn("IS_NULLABLE", columnNoNulls);
ColumnInfo scope = new ShortIntegerColumn("SCOPE", columnNoNulls, true);
ColumnInfo scopeCatalog = new StringColumn("SCOPE_CATALOG", columnNullable);
ColumnInfo scopeSchema = new StringColumn("SCOPE_SCHEMA", columnNullable);
ColumnInfo scopeTable = new StringColumn("SCOPE_TABLE", columnNullable);
ColumnInfo sourceDataType = new ShortIntegerColumn("SOURCE_DATA_TYPE", columnNullable, true);
ColumnInfo columnName = new StringColumn("COLUMN_NAME", columnNoNulls);
ColumnInfo columnSize = new IntegerColumn("COLUMN_SIZE", columnNoNulls, true);
ColumnInfo columnDef = new StringColumn("COLUMN_DEF", columnNullable);
ColumnInfo bufferLength = new IntegerColumn("BUFFER_LENGTH", columnNoNulls, true);
ColumnInfo psuedoColumn = new ShortIntegerColumn("PSUEDO_COLUMN", columnNoNulls, true);
ColumnInfo tableCat = new StringColumn("TABLE_CAT", columnNullable);
ColumnInfo tableCatalog = new StringColumn("TABLE_CATALOG", columnNullable);
ColumnInfo tableSchema = new StringColumn("TABLE_SCHEM", columnNullable);
ColumnInfo tableName = new StringColumn("TABLE_NAME", columnNoNulls);
ColumnInfo name = new StringColumn("NAME", columnNoNulls);
ColumnInfo maxLen = new IntegerColumn("MAX_LEN", columnNoNulls, true);
ColumnInfo defaultValue = new StringColumn("DEFAULT_VALUE", columnNullable);
ColumnInfo description = new StringColumn("DESCRIPTION", columnNullable);
ColumnInfo isAutoIncrement = new StringColumn("IS_AUTOINCREMENT", columnNoNulls);
ColumnInfo className = new StringColumn("CLASS_NAME", columnNoNulls);
ColumnInfo baseType = new ShortIntegerColumn("BASE_TYPE", columnNullable, true);
ColumnInfo grantor = new StringColumn("GRANTOR", columnNullable);
ColumnInfo grantee = new StringColumn("GRANTEE", columnNullable);
ColumnInfo privilege = new StringColumn("PRIVILEGE", columnNoNulls);
ColumnInfo isGrantable = new StringColumn("IS_GRANTABLE", columnNoNulls);
ColumnInfo pkTableCat = new StringColumn("PKTABLE_CAT", columnNullable);
ColumnInfo pkTableSchema = new StringColumn("PKTABLE_SCHEM", columnNullable);
ColumnInfo pkTableName = new StringColumn("PKTABLE_NAME", columnNoNulls);
ColumnInfo pkColumnName = new StringColumn("PKCOLUMN_NAME", columnNoNulls);
ColumnInfo fkTableCat = new StringColumn("FKTABLE_CAT", columnNullable);
ColumnInfo fkTableSchema = new StringColumn("FKTABLE_SCHEM", columnNullable);
ColumnInfo fkTableName = new StringColumn("FKTABLE_NAME", columnNoNulls);
ColumnInfo fkColumnName = new StringColumn("FKCOLUMN_NAME", columnNoNulls);
ColumnInfo keySeq = new ShortIntegerColumn("KEY_SEQ", columnNoNulls, true);
ColumnInfo updateRule = new ShortIntegerColumn("UPDATE_RULE", columnNoNulls, true);
ColumnInfo deleteRule = new ShortIntegerColumn("DELETE_RULE", columnNoNulls, true);
ColumnInfo fkName = new StringColumn("FK_NAME", columnNullable);
ColumnInfo pkName = new StringColumn("PK_NAME", columnNullable);
ColumnInfo deferrability = new ShortIntegerColumn("DEFERRABILITY", columnNoNulls, true);
ColumnInfo functionCat = new StringColumn("FUNCTION_CAT", columnNullable);
ColumnInfo functionSchema = new StringColumn("FUNCTION_SCHEM", columnNullable);
ColumnInfo functionName = new StringColumn("FUNCTION_NAME", columnNoNulls);
ColumnInfo columnType = new ShortIntegerColumn("COLUMN_TYPE", columnNoNulls, true);
ColumnInfo precision = new IntegerColumn("PRECISION", columnNoNulls, true);
ColumnInfo length = new IntegerColumn("LENGTH", columnNoNulls, true);
ColumnInfo scale = new ShortIntegerColumn("SCALE", columnNoNulls, true);
ColumnInfo radix = new ShortIntegerColumn("RADIX", columnNoNulls, true);
ColumnInfo specificName = new StringColumn("SPECIFIC_NAME", columnNoNulls);
ColumnInfo functionType = new ShortIntegerColumn("FUNCTION_TYPE", columnNoNulls, true);
ColumnInfo nonUnique = new BooleanColumn("NON_UNIQUE", columnNoNulls);
ColumnInfo indexQualifier = new StringColumn("INDEX_QUALIFIER", columnNullable);
ColumnInfo indexName = new StringColumn("INDEX_NAME", columnNullable);
ColumnInfo type = new ShortIntegerColumn("TYPE", columnNoNulls, true);
ColumnInfo ascOrDesc = new StringColumn("ASC_OR_DESC", columnNullable);
ColumnInfo cardinality = new IntegerColumn("CARDINALITY", columnNoNulls, true);
ColumnInfo pages = new IntegerColumn("PAGES", columnNoNulls, true);
ColumnInfo filterCondition = new StringColumn("FILTER_CONDITION", columnNullable);
ColumnInfo procedureCat = new StringColumn("PROCEDURE_CAT", columnNullable);
ColumnInfo procedureSchema = new StringColumn("PROCEDURE_SCHEM", columnNullable);
ColumnInfo procedureName = new StringColumn("PROCEDURE_NAME", columnNoNulls);
ColumnInfo procedureType = new ShortIntegerColumn("PROCEDURE_TYPE", columnNoNulls, true);
ColumnInfo superTableName = new StringColumn("SUPERTABLE_NAME", columnNoNulls);
ColumnInfo superTypeCat = new StringColumn("SUPERTYPE_CAT", columnNullable);
ColumnInfo superTypeSchema = new StringColumn("SUPERTYPE_SCHEM", columnNullable);
ColumnInfo superTypeName = new StringColumn("SUPERTYPE_NAME", columnNoNulls);
ColumnInfo litPrefix = new StringColumn("LITERAL_PREFIX", columnNullable);
ColumnInfo litSuffix = new StringColumn("LITERAL_SUFFIX", columnNullable);
ColumnInfo createParams = new StringColumn("CREATE_PARAMS", columnNullable);
ColumnInfo caseSensitive = new BooleanColumn("CASE_SENSITIVE", columnNoNulls);
ColumnInfo searchable = new ShortIntegerColumn("SEARCHABLE", columnNoNulls, true);
ColumnInfo unsignedAttr = new BooleanColumn("UNSIGNED_ATTRIBUTE", columnNoNulls);
ColumnInfo fixedPrecScale = new BooleanColumn("FIXED_PREC_SCALE", columnNoNulls);
ColumnInfo autoIncrement = new BooleanColumn("AUTO_INCREMENT", columnNoNulls);
ColumnInfo localTypeName = new StringColumn("LOCAL_TYPE_NAME", columnNullable);
ColumnInfo minScale = new ShortIntegerColumn("MINIMUM_SCALE", columnNoNulls, true);
ColumnInfo maxScale = new ShortIntegerColumn("MAXIMUM_SCALE", columnNullable, true);
ColumnInfo tableType = new StringColumn("TABLE_TYPE", columnNoNulls);
ColumnInfo selfRefColName = new StringColumn("SELF_REFERENCING_COL_NAME", columnNullable);
ColumnInfo refGeneration = new StringColumn("REF_GENERATION", columnNullable);
ColumnInfo columnUsage = new StringColumn("COLUMN_USAGE", columnNoNulls);
ATTRIBUTE_COLUMNS = new ColumnInfo[] { // TYPE_CAT String => type catalog (may be null)
typeCat, // TYPE_SCHEM String => type schema (may be null)
typeSchema, // TYPE_NAME String => type name
typeName, // ATTR_NAME String => attribute name
attrName, // java.sql.Types
dataType, // target type of the reference type.
attrTypeName, // decimal types this is precision.
attrSize, // not applicable.
decimalDigits, // NUM_PREC_RADIX int => Radix (typically either 10 or 2)
numPrecRadix, // attributeNullableUnknown - nullability unknown
nullable, // REMARKS String => comment describing column (may be null)
remarks, // ATTR_DEF String => default value (may be null)
attrDef, // SQL_DATA_TYPE int => unused
sqlDataType, // SQL_DATETIME_SUB int => unused
sqlDateTimeSub, // number of bytes in the column
charOctetLength, // (starting at 1)
ordinalPosition, // unknown
isNullable, // reference attribute (null if DATA_TYPE isn't REF)
scopeCatalog, // of a reference attribute (null if DATA_TYPE isn't REF)
scopeSchema, // referenceattribute (null if the DATA_TYPE isn't REF)
scopeTable, // (null if DATA_TYPE isn't DISTINCT or user-generated REF)
sourceDataType };
BEST_ROW_IDENTIFIER_COLUMNS = new ColumnInfo[] { // bestRowSession - valid for remainder of current session
scope, // COLUMN_NAME String => column name
columnName, // DATA_TYPE int => SQL data type from java.sql.Types
dataType, // a UDT the type name is fully qualified
typeName, // COLUMN_SIZE int => precision
columnSize, // BUFFER_LENGTH int => not used
bufferLength, // types where DECIMAL_DIGITS is not applicable.
decimalDigits, // bestRowPseudo - is a pseudo column
psuedoColumn };
CATALOG_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => catalog name
tableCat };
CLIENT_INFO_PROPERTY_COLUMNS = new ColumnInfo[] { // NAME String=> The name of the client info property
name, // property
maxLen, // DEFAULT_VALUE String=> The default value of the property
defaultValue, // property is stored in the database.
description };
COLUMN_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => table catalog (may be null)
tableCat, // TABLE_SCHEM String => table schema (may be null)
tableSchema, // TABLE_NAME String => table name
tableName, // COLUMN_NAME String => column name
columnName, // DATA_TYPE int => SQL type from java.sql.Types
dataType, // the type name is fully qualified
typeName, // COLUMN_SIZE int => column size.
columnSize, // BUFFER_LENGTH is not used.
bufferLength, // applicable.
decimalDigits, // NUM_PREC_RADIX int => Radix (typically either 10 or 2)
numPrecRadix, // columnNullableUnknown - nullability unknown
nullable, // null),
remarks, // quotes (may be null)
columnDef, // SQL_DATA_TYPE int => unused
sqlDataType, // SQL_DATETIME_SUB int => unused
sqlDateTimeSub, // bytes in the column
charOctetLength, // (starting at 1)
ordinalPosition, // unknown
isNullable, // reference attribute (null if DATA_TYPE isn't REF)
scopeCatalog, // reference attribute (null if the DATA_TYPE isn't REF)
scopeSchema, // reference attribure (null if the DATA_TYPE isn't REF)
scopeTable, // DATA_TYPE isn't DISTINCT or user-generated REF)
sourceDataType, // auto incremented parameter is unknown
isAutoIncrement };
COLUMN_PRIVILEGE_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => table catalog (may be null)
tableCat, // TABLE_SCHEM String => table schema (may be null)
tableSchema, // TABLE_NAME String => table name
tableName, // COLUMN_NAME String => column name
columnName, // GRANTOR String => grantor of access (may be null)
grantor, // GRANTEE String => grantee of access
grantee, // UPDATE, REFRENCES, ...)
privilege, // grant to others; "NO" if not; null if unknown
isGrantable };
CROSS_REFERENCE_COLUMNS = new ColumnInfo[] { // null)
pkTableCat, // null)
pkTableSchema, // PKTABLE_NAME String => parent key table name
pkTableName, // PKCOLUMN_NAME String => parent key column name
pkColumnName, // being exported (may be null)
fkTableCat, // null) being exported (may be null)
fkTableSchema, // exported
fkTableName, // exported
fkColumnName, // within the foreign key).
keySeq, // ODBC 2.x compatibility)
updateRule, // its parent key has been deleted
deleteRule, // FK_NAME String => foreign key name (may be null)
fkName, // PK_NAME String => parent key name (may be null)
pkName, // importedKeyNotDeferrable - see SQL92 for definition
deferrability };
EXPORTED_KEY_COLUMNS = new ColumnInfo[] { // null)
pkTableCat, // null)
pkTableSchema, // PKTABLE_NAME String => primary key table name
pkTableName, // PKCOLUMN_NAME String => primary key column name
pkColumnName, // null) being exported (may be null)
fkTableCat, // null) being exported (may be null)
fkTableSchema, // exported
fkTableName, // exported
fkColumnName, // within the foreign key).
keySeq, // ODBC 2.x compatibility)
updateRule, // its primary key has been deleted
deleteRule, // FK_NAME String => foreign key name (may be null)
fkName, // PK_NAME String => primary key name (may be null)
pkName, // importedKeyNotDeferrable - see SQL92 for definition
deferrability };
FUNCTION_COLUMN_COLUMNS = new ColumnInfo[] { // FUNCTION_CAT String => function catalog (may be null)
functionCat, // FUNCTION_SCHEM String => function schema (may be null)
functionSchema, // used to invoke the function
functionName, // COLUMN_NAME String => column/parameter name
columnName, // column is a column in the ResultSet
columnType, // DATA_TYPE int => SQL type from java.sql.Types
dataType, // type name is fully qualified
typeName, // PRECISION int => precision
precision, // LENGTH int => length in bytes of data
length, // where SCALE is not applicable.
scale, // RADIX short => radix
radix, // functionNullableUnknown - nullability unknown
shortNullable, // REMARKS String => comment describing column/parameter
remarks, // datatype the returned value is a NULL
charOctetLength, // of the column in the result set starting from 1.
ordinalPosition, // column is unknown
isNullable, // overload functions
specificName };
FUNCTION_COLUMNS = new ColumnInfo[] { // FUNCTION_CAT String => function catalog (may be null)
functionCat, // FUNCTION_SCHEM String => function schema (may be null)
functionSchema, // used to invoke the function
functionName, // REMARKS String => explanatory comment on the function
remarks, // functionReturnsTable - Returns a table
functionType, // overload functions
specificName };
IMPORTED_KEY_COLUMNS = new ColumnInfo[] { // imported (may be null)
pkTableCat, // imported (may be null)
pkTableSchema, // imported
pkTableName, // imported
pkColumnName, // null)
fkTableCat, // null)
fkTableSchema, // FKTABLE_NAME String => foreign key table name
fkTableName, // FKCOLUMN_NAME String => foreign key column name
fkColumnName, // within the foreign key).
keySeq, // ODBC 2.x compatibility)
updateRule, // its primary key has been deleted
deleteRule, // FK_NAME String => foreign key name (may be null)
fkName, // PK_NAME String => primary key name (may be null)
pkName, // importedKeyNotDeferrable - see SQL92 for definition
deferrability };
INDEX_INFO_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => table catalog (may be null)
tableCat, // TABLE_SCHEM String => table schema (may be null)
tableSchema, // TABLE_NAME String => table name
tableName, // false when TYPE is tableIndexStatistic
nonUnique, // null when TYPE is tableIndexStatistic
indexQualifier, // tableIndexStatistic
indexName, // tableIndexOther - this is some other style of index
type, // index; zero when TYPE is tableIndexStatistic
ordinalPosition, // tableIndexStatistic
columnName, // tableIndexStatistic
ascOrDesc, // the number of unique values in the index.
cardinality, // the number of pages used for the current index.
pages, // be null)
filterCondition };
PRIMARY_KEY_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => table catalog (may be null)
tableCat, // TABLE_SCHEM String => table schema (may be null)
tableSchema, // TABLE_NAME String => table name
tableName, // COLUMN_NAME String => column name
columnName, // within the primary key).
keySeq, // PK_NAME String => primary key name (may be null)
pkName };
PROCEDURE_COLUMN_COLUMNS = new ColumnInfo[] { // PROCEDURE_CAT String => procedure catalog (may be null)
procedureCat, // PROCEDURE_SCHEM String => procedure schema (may be null)
procedureSchema, // PROCEDURE_NAME String => procedure name
procedureName, // COLUMN_NAME String => column/parameter name
columnName, // procedureColumnResult - result column in ResultSet
columnType, // DATA_TYPE int => SQL type from java.sql.Types
dataType, // type name is fully qualified
typeName, // PRECISION int => precision
precision, // LENGTH int => length in bytes of data
length, // where SCALE is not applicable.
scale, // RADIX short => radix
radix, // procedureNullableUnknown - nullability unknown
shortNullable, // REMARKS String => comment describing parameter/column
remarks, // NULL - if a default value was not specified
columnDef, // SQL_DATA_TYPE int => reserved for future use
sqlDataType, // SQL_DATETIME_SUB int => reserved for future use
sqlDateTimeSub, // returned value is a NULL
charOctetLength, // column ordinal positions are implementation defined.
ordinalPosition, // unknown
isNullable, // identifies this procedure within its schema.
specificName };
PROCEDURE_COLUMNS = new ColumnInfo[] { // PROCEDURE_CAT String => procedure catalog (may be null)
procedureCat, // PROCEDURE_SCHEM String => procedure schema (may be null)
procedureSchema, // PROCEDURE_NAME String => procedure name
procedureName, // reserved for future use
empty, // reserved for future use
empty, // reserved for future use
empty, // REMARKS String => explanatory comment on the procedure
remarks, // procedureReturnsResult - Returns a return value
procedureType, // identifies this procedure within its schema.
specificName };
PSUEDO_COLUMN_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => table catalog (may be null)
tableCat, // TABLE_SCHEM String => table schema (may be null)
tableSchema, // TABLE_NAME String => table name
tableName, // COLUMN_NAME String => column name
columnName, // DATA_TYPE int => SQL type from java.sql.Types
dataType, // COLUMN_SIZE int => column size.
columnSize, // not applicable.
decimalDigits, // NUM_PREC_RADIX int => Radix (typically either 10 or 2)
numPrecRadix, // returned by PseudoColumnUsage.name()
columnUsage, // REMARKS String => comment describing column (may be null)
remarks, // number of bytes in the column
charOctetLength, // unknown
isNullable };
// NB - For some reason JDBC suddenly uses TABLE_CATALOG instead of
// TABLE_CAT here?
SCHEMA_COLUMNS = new ColumnInfo[] { // TABLE_SCHEM String => schema name
tableSchema, // TABLE_CATALOG String => catalog name (may be null)
tableCatalog };
SUPER_TABLE_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => the type's catalog (may be null)
tableCat, // TABLE_SCHEM String => type's schema (may be null)
tableSchema, // TABLE_NAME String => type name
tableName, // SUPERTABLE_NAME String => the direct super type's name
superTableName };
SUPER_TYPE_COLUMNS = new ColumnInfo[] { // TYPE_CAT String => the UDT's catalog (may be null)
typeCat, // TYPE_SCHEM String => UDT's schema (may be null)
typeSchema, // TYPE_NAME String => type name of the UDT
typeName, // (may be null)
superTypeCat, // (may be null)
superTypeSchema, // SUPERTYPE_NAME String => the direct super type's name
superTypeName };
TABLE_PRIVILEGE_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => table catalog (may be null)
tableCat, // TABLE_SCHEM String => table schema (may be null)
tableSchema, // TABLE_NAME String => table name
tableName, // GRANTOR String => grantor of access (may be null)
grantor, // GRANTEE String => grantee of access
grantee, // UPDATE, REFRENCES, ...)
privilege, // grant to others; "NO" if not; null if unknown
isGrantable };
TABLE_TYPE_COLUMNS = new ColumnInfo[] { // "ALIAS", "SYNONYM".
tableType };
TABLE_COLUMNS = new ColumnInfo[] { // TABLE_CAT String => table catalog (may be null)
tableCat, // TABLE_SCHEM String => table schema (may be null)
tableSchema, // TABLE_NAME String => table name
tableName, // "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
tableType, // REMARKS String => explanatory comment on the table
remarks, // TYPE_CAT String => the types catalog (may be null)
typeCat, // TYPE_SCHEM String => the types schema (may be null)
typeSchema, // TYPE_NAME String => type name (may be null)
typeName, // null)
selfRefColName, // "SYSTEM", "USER", "DERIVED". (may be null)
refGeneration };
TYPE_INFO_COLUMNS = new ColumnInfo[] { // TYPE_NAME String => Type name
typeName, // DATA_TYPE int => SQL data type from java.sql.Types
dataType, // PRECISION int => maximum precision
precision, // (may be null)
litPrefix, // (may be null)
litSuffix, // type (may be null)
createParams, // typeNullableUnknown - nullability unknown
shortNullable, // CASE_SENSITIVE boolean=> is it case sensitive.
caseSensitive, // typeSearchable - Supported for all WHERE ..
searchable, // UNSIGNED_ATTRIBUTE boolean => is it unsigned.
unsignedAttr, // FIXED_PREC_SCALE boolean => can it be a money value.
fixedPrecScale, // auto-increment value.
autoIncrement, // (may be null)
localTypeName, // MINIMUM_SCALE short => minimum scale supported
minScale, // MAXIMUM_SCALE short => maximum scale supported
maxScale, // SQL_DATA_TYPE int => unused
sqlDataType, // SQL_DATETIME_SUB int => unused
sqlDateTimeSub, // NUM_PREC_RADIX int => usually 2 or 10
numPrecRadix };
UDT_COLUMNS = new ColumnInfo[] { // TYPE_CAT String => the type's catalog (may be null)
typeCat, // TYPE_SCHEM String => type's schema (may be null)
typeSchema, // TYPE_NAME String => type name
typeName, // CLASS_NAME String => Java class name
className, // One of JAVA_OBJECT, STRUCT, or DISTINCT
dataType, // REMARKS String => explanatory comment on the type
remarks, // not STRUCT with REFERENCE_GENERATION = USER_DEFINED)
baseType };
VERSION_COLUMNS = new ColumnInfo[] { // SCOPE short => is not used
scope, // COLUMN_NAME String => column name
columnName, // DATA_TYPE int => SQL data type from java.sql.Types
dataType, // TYPE_NAME String => Data source-dependent type name
typeName, // COLUMN_SIZE int => precision
columnSize, // BUFFER_LENGTH int => length of column value in bytes
bufferLength, // types where DECIMAL_DIGITS is not applicable.
decimalDigits, // versionColumnPseudo - is a pseudo column
psuedoColumn };
} catch (SQLException e) {
throw new Error("Fatal error initializing JDBC metadata schema information");
}
init = true;
}
use of org.apache.jena.jdbc.results.metadata.columns.BooleanColumn in project jena by apache.
the class TestMetaResultSet method meta_result_set_boolean_02.
/**
* Test retrieving meta column values
*
* @throws SQLException
*/
@Test
public void meta_result_set_boolean_02() throws SQLException {
MetaResultSet results = new MetaResultSet(new ColumnInfo[] { new BooleanColumn("Test", ResultSetMetaData.columnNullable) }, new Object[][] { { null } });
Assert.assertTrue(results.next());
Assert.assertFalse(results.getBoolean(1));
Assert.assertTrue(results.wasNull());
Assert.assertFalse(results.next());
results.close();
Assert.assertTrue(results.isClosed());
}
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