Page History

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Code Organization

To be written.

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core Directory

• conn: connectivity subsystem
  • conn/jdbc: JDBC Type 4 client-side driver
  • conn/jdbc_type2: JDBC Type 2 client-side driver
  • conn/nci: trafci, a client-side command line interface to Trafodion
  • conn/odbc: ODBC
  • conn/odbc/src/odbc/*: (most other directories) ODBC server-side components
  • conn/odbc/src/odbc/odbcclient: ODBC Windows client-side driver
  • conn/unixodbc: ODBC Linux client-side driver
• sqf: transaction subsystem and associated layers
  • sqf/src/seabed: messaging layer
  • sqf/src/seatrans: transaction subsystem
  • sqf/src/seatrans/hbase-trx: the HBase-trx portion of the transaction subsystem, with Trafodion modifications
  • sqf/src/seatrans/tm: the Trafodion layer on top of HBase-trx, including the TM
• sql: SQL engine, including Compiler and Executor
  • sql/arkcmp: Compiler main process loop
  • sql/bin: contains main functions for various SQL engine processes, also message text file
  • sql/cli: CLI layer of the Executor
  • sql/comexe: classes used by both Compiler and Executor; includes tdb classes, some IPC classes
  • sql/common: more classes used by both Compiler and Executor; includes classes defining SQL data types and objects used for diagnostics
  • sql/executor: data flow portions of the Executor, including relational operators
  • sql/exp: scalar expression evaluator layer of the Executor
  • sql/export: more common modules used by Executor and Compiler (for example, ComDiagsArea)
  • sql/generator: Pre-code Generator and Generator passes of the Compiler
  • sql/optimizer: Binder, Normalizer and Optimizer passes of the Compiler
  • sql/parser: Parser pass of the Compiler
  • sql/regress: Regression test suite
  • sql/sort: sort module used by Executor
  • sql/sqlci: SQL conversational interface (a server-side command line interface to the SQL engine)
  • sql/sqlcomp: contains Compiler logic that drives compilation; calls the individual passes
  • sql/SqlCompilerDebugger: GUI debugger useful for Compiler development
  • sql/ustat: UPDATE STATISTICS utility module

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