Module: ActiveRecord::ConnectionAdapters::Firebird::SchemaStatements

Included in:
ActiveRecord::ConnectionAdapters::FirebirdAdapter
Defined in:
lib/active_record/connection_adapters/firebird/schema_statements.rb

Instance Method Summary collapse

Instance Method Details

#foreign_keys(table_name) ⇒ Object 



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# File 'lib/active_record/connection_adapters/firebird/schema_statements.rb', line 50

def foreign_keys(table_name)
  result = query("    WITH FK_FIELDS AS (\n      SELECT\n        AA2.RDB$RELATION_NAME,\n        AA2.RDB$CONSTRAINT_NAME,\n        BB2.RDB$CONST_NAME_UQ AS LINK_UK_OR_PK,\n        EE2.RDB$RELATION_NAME AS REFERENCE_TABLE,\n        CC2.RDB$FIELD_NAME,\n        AA2.RDB$CONSTRAINT_TYPE\n      FROM\n        RDB$RELATION_CONSTRAINTS AA2\n        LEFT JOIN RDB$REF_CONSTRAINTS BB2 ON BB2.RDB$CONSTRAINT_NAME = AA2.RDB$CONSTRAINT_NAME\n        LEFT JOIN RDB$INDEX_SEGMENTS CC2 ON CC2.RDB$INDEX_NAME = AA2.RDB$INDEX_NAME\n        LEFT JOIN RDB$RELATION_FIELDS DD2 ON DD2.RDB$FIELD_NAME = CC2.RDB$FIELD_NAME AND DD2.RDB$RELATION_NAME = AA2.RDB$RELATION_NAME\n        LEFT JOIN RDB$RELATION_CONSTRAINTS EE2 ON EE2.RDB$CONSTRAINT_NAME = BB2.RDB$CONST_NAME_UQ\n    )\n    SELECT\n      AA.RDB$CONSTRAINT_NAME,\n      BB.REFERENCE_TABLE,\n      BB.FIELDS,\n      BB.REFERENCE_FIELDS\n    FROM\n      RDB$RELATION_CONSTRAINTS AA\n      LEFT JOIN (\n        SELECT\n          AA1.RDB$RELATION_NAME,\n          AA1.RDB$CONSTRAINT_NAME,\n          AA1.LINK_UK_OR_PK,\n          AA1.REFERENCE_TABLE,\n          (\n            SELECT LIST(TRIM(AA3.RDB$FIELD_NAME), ', ') FROM FK_FIELDS AA3 WHERE AA3.RDB$CONSTRAINT_NAME = AA1.RDB$CONSTRAINT_NAME ROWS 1\n          ) AS FIELDS,\n          (\n            SELECT LIST(TRIM(AA4.RDB$FIELD_NAME), ', ') FROM FK_FIELDS AA4 WHERE AA4.RDB$CONSTRAINT_NAME = AA1.LINK_UK_OR_PK ROWS 1\n          ) AS REFERENCE_FIELDS\n        FROM\n          FK_FIELDS AA1\n        GROUP BY\n          AA1.RDB$RELATION_NAME,\n          AA1.RDB$CONSTRAINT_NAME,\n          AA1.REFERENCE_TABLE,\n          AA1.LINK_UK_OR_PK\n      ) BB ON BB.RDB$RELATION_NAME = AA.RDB$RELATION_NAME AND BB.RDB$CONSTRAINT_NAME = AA.RDB$CONSTRAINT_NAME\n    WHERE\n      AA.RDB$CONSTRAINT_TYPE = 'FOREIGN KEY'\n      AND AA.RDB$RELATION_NAME = '\#{table_name.upcase}';\n  SQL\n\n  result.map do |row|\n    options = {\n      column: row[2].downcase,\n      name: row[0].strip.downcase,\n      primary_key: row[3].downcase\n    }\n\n    ActiveRecord::ConnectionAdapters::ForeignKeyDefinition.new(table_name, row[1].strip.downcase, options)\n  end\nend\n".strip_heredoc, "SCHEMA")

#indexes(table_name) ⇒ Object 



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# File 'lib/active_record/connection_adapters/firebird/schema_statements.rb', line 11

def indexes(table_name)
  result = query("    SELECT\n      rdb$index_name,\n      rdb$unique_flag\n    FROM\n      rdb$indices\n    WHERE\n      rdb$relation_name = '\#{table_name.upcase}';\n  SQL\n\n  result.map do |row|\n    index_name = row[0].strip\n    unique = row[1] == 1\n    columns = query_values(<<~SQL, \"SCHEMA\")\n      SELECT\n        rdb$field_name\n      FROM\n        rdb$index_segments\n      WHERE\n        rdb$index_name = '\#{index_name}'\n      ORDER BY\n        rdb$field_position\n    SQL\n\n    ActiveRecord::ConnectionAdapters::IndexDefinition.new(\n      table_name.downcase,\n      index_name.downcase,\n      unique,\n      columns.map(&:strip).map(&:downcase),\n    )\n  end\nend\n", "SCHEMA")

#remove_index(table_name, options = {}) ⇒ Object 



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# File 'lib/active_record/connection_adapters/firebird/schema_statements.rb', line 45

def remove_index(table_name, options = {})
  index_name = index_name_for_remove(table_name, options)
  execute "DROP INDEX #{quote_column_name(index_name)}"
end

#tables(_name = nil) ⇒ Object 



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# File 'lib/active_record/connection_adapters/firebird/schema_statements.rb', line 3

def tables(_name = nil)
  @connection.table_names
end

#views ⇒ Object 



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# File 'lib/active_record/connection_adapters/firebird/schema_statements.rb', line 7

def views
  @connection.view_names
end