jdbcdatabasemetadata.java

来自「非常棒的java数据库」· Java 代码 · 共 1,803 行 · 第 1/5 页

    /**
     * Returns whether table correlation names (table alias) are restricted to
     * be different than table names.
     *
     * @return false
     */
    public boolean supportsDifferentTableCorrelationNames() {
        debugCodeCall("supportsDifferentTableCorrelationNames");
        return false;
    }

    /**
     * Returns whether expression in ORDER BY are supported.
     *
     * @return true
     */
    public boolean supportsExpressionsInOrderBy() {
        debugCodeCall("supportsExpressionsInOrderBy");
        return true;
    }

    /**
     * Returns whether ORDER BY is supported if the column is not in the SELECT
     * list.
     *
     * @return true
     */
    public boolean supportsOrderByUnrelated() {
        debugCodeCall("supportsOrderByUnrelated");
        return true;
    }

    /**
     * Returns whether GROUP BY is supported.
     *
     * @return true
     */
    public boolean supportsGroupBy() {
        debugCodeCall("supportsGroupBy");
        return true;
    }

    /**
     * Returns whether GROUP BY is supported if the column is not in the SELECT
     * list.
     *
     * @return true
     */
    public boolean supportsGroupByUnrelated() {
        debugCodeCall("supportsGroupByUnrelated");
        return true;
    }

    /**
     * Checks whether a GROUP BY clause can use columns that are not in the
     * SELECT clause, provided that it specifies all the columns in the SELECT
     * clause.
     *
     * @return true
     */
    public boolean supportsGroupByBeyondSelect() {
        debugCodeCall("supportsGroupByBeyondSelect");
        return true;
    }

    /**
     * Returns whether LIKE... ESCAPE is supported.
     *
     * @return true
     */
    public boolean supportsLikeEscapeClause() {
        debugCodeCall("supportsLikeEscapeClause");
        return true;
    }

    /**
     * Returns whether multiple result sets are supported.
     *
     * @return false
     */
    public boolean supportsMultipleResultSets() {
        debugCodeCall("supportsMultipleResultSets");
        return false;
    }

    /**
     * Returns whether multiple transactions (on different connections) are
     * supported.
     *
     * @return true
     */
    public boolean supportsMultipleTransactions() {
        debugCodeCall("supportsMultipleTransactions");
        return true;
    }

    /**
     * Returns whether columns with NOT NULL are supported.
     *
     * @return true
     */
    public boolean supportsNonNullableColumns() {
        debugCodeCall("supportsNonNullableColumns");
        return true;
    }

    /**
     * Returns whether ODBC Minimum SQL grammar is supported.
     *
     * @return true
     */
    public boolean supportsMinimumSQLGrammar() {
        debugCodeCall("supportsMinimumSQLGrammar");
        return true;
    }

    /**
     * Returns whether ODBC Core SQL grammar is supported.
     *
     * @return true
     */
    public boolean supportsCoreSQLGrammar() {
        debugCodeCall("supportsCoreSQLGrammar");
        return true;
    }

    /**
     * Returns whether ODBC Extended SQL grammar is supported.
     *
     * @return false
     */
    public boolean supportsExtendedSQLGrammar() {
        debugCodeCall("supportsExtendedSQLGrammar");
        return false;
    }

    /**
     * Returns whether SQL-92 entry level grammar is supported.
     *
     * @return true
     */
    public boolean supportsANSI92EntryLevelSQL() {
        debugCodeCall("supportsANSI92EntryLevelSQL");
        return true;
    }

    /**
     * Returns whether SQL-92 intermediate level grammar is supported.
     *
     * @return false
     */
    public boolean supportsANSI92IntermediateSQL() {
        debugCodeCall("supportsANSI92IntermediateSQL");
        return false;
    }

    /**
     * Returns whether SQL-92 full level grammar is supported.
     *
     * @return false
     */
    public boolean supportsANSI92FullSQL() {
        debugCodeCall("supportsANSI92FullSQL");
        return false;
    }

    /**
     * Returns whether referential integrity is supported.
     *
     * @return true
     */
    public boolean supportsIntegrityEnhancementFacility() {
        debugCodeCall("supportsIntegrityEnhancementFacility");
        return true;
    }

    /**
     * Returns whether outer joins are supported.
     *
     * @return true
     */
    public boolean supportsOuterJoins() {
        debugCodeCall("supportsOuterJoins");
        return true;
    }

    /**
     * Returns whether full outer joins are supported.
     *
     * @return false
     */
    public boolean supportsFullOuterJoins() {
        debugCodeCall("supportsFullOuterJoins");
        return false;
    }

    /**
     * Returns whether limited outer joins are supported.
     *
     * @return true
     */
    public boolean supportsLimitedOuterJoins() {
        debugCodeCall("supportsLimitedOuterJoins");
        return true;
    }

    /**
     * Returns the term for "schema".
     *
     * @return "schema"
     */
    public String getSchemaTerm() {
        debugCodeCall("getSchemaTerm");
        return "schema";
    }

    /**
     * Returns the term for "procedure".
     *
     * @return "procedure"
     */
    public String getProcedureTerm() {
        debugCodeCall("getProcedureTerm");
        return "procedure";
    }

    /**
     * Returns the term for "catalog".
     *
     * @return "catalog"
     */
    public String getCatalogTerm() {
        debugCodeCall("getCatalogTerm");
        return "catalog";
    }

    /**
     * Returns whether the catalog is at the beginning.
     *
     * @return true
     */
    public boolean isCatalogAtStart() {
        debugCodeCall("isCatalogAtStart");
        return true;
    }

    /**
     * Returns the catalog separator.
     *
     * @return "."
     */
    public String getCatalogSeparator() {
        debugCodeCall("getCatalogSeparator");
        return ".";
    }

    /**
     * Returns whether the schema name in INSERT, UPDATE, DELETE is supported.
     *
     * @return true
     */
    public boolean supportsSchemasInDataManipulation() {
        debugCodeCall("supportsSchemasInDataManipulation");
        return true;
    }

    /**
     * Returns whether the schema name in procedure calls is supported.
     *
     * @return true
     */
    public boolean supportsSchemasInProcedureCalls() {
        debugCodeCall("supportsSchemasInProcedureCalls");
        return true;
    }

    /**
     * Returns whether the schema name in CREATE TABLE is supported.
     *
     * @return true
     */
    public boolean supportsSchemasInTableDefinitions() {
        debugCodeCall("supportsSchemasInTableDefinitions");
        return true;
    }

    /**
     * Returns whether the schema name in CREATE INDEX is supported.
     *
     * @return true
     */
    public boolean supportsSchemasInIndexDefinitions() {
        debugCodeCall("supportsSchemasInIndexDefinitions");
        return true;
    }

    /**
     * Returns whether the schema name in GRANT is supported.
     *
     * @return true
     */
    public boolean supportsSchemasInPrivilegeDefinitions() {
        debugCodeCall("supportsSchemasInPrivilegeDefinitions");
        return true;
    }

    /**
     * Returns whether the catalog name in INSERT, UPDATE, DELETE is supported.
     *
     * @return true
     */
    public boolean supportsCatalogsInDataManipulation() {
        debugCodeCall("supportsCatalogsInDataManipulation");
        return true;
    }

    /**
     * Returns whether the catalog name in procedure calls is supported.
     *
     * @return false
     */
    public boolean supportsCatalogsInProcedureCalls() {
        debugCodeCall("supportsCatalogsInProcedureCalls");
        return false;
    }

    /**
     * Returns whether the catalog name in CREATE TABLE is supported.
     *
     * @return true
      */
    public boolean supportsCatalogsInTableDefinitions() {
        debugCodeCall("supportsCatalogsInTableDefinitions");
        return true;
    }

    /**
     * Returns whether the catalog name in CREATE INDEX is supported.
     *
     * @return true
     */
    public boolean supportsCatalogsInIndexDefinitions() {
        debugCodeCall("supportsCatalogsInIndexDefinitions");
        return true;
    }

    /**
     * Returns whether the catalog name in GRANT is supported.
     *
     * @return true
     */
    public boolean supportsCatalogsInPrivilegeDefinitions() {
        debugCodeCall("supportsCatalogsInPrivilegeDefinitions");
        return true;
    }

    /**
     * Returns whether positi