ExternalExecutor.cpp File Reference

#include "QueryEngine/ExternalExecutor.h"
#include "Logger/Logger.h"
#include "QueryEngine/Execute.h"
#include "QueryEngine/OutputBufferInitialization.h"
#include "SqliteConnector/SqliteConnector.h"

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Classes
struct	anonymous_namespace{ExternalExecutor.cpp}::OmniSciVtab
struct	anonymous_namespace{ExternalExecutor.cpp}::OmniSciCursor
struct	anonymous_namespace{ExternalExecutor.cpp}::DecodedString

Namespaces
	anonymous_namespace{ExternalExecutor.cpp}

Functions
int	anonymous_namespace{ExternalExecutor.cpp}::vt_destructor (sqlite3_vtab *pVtab)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_create (sqlite3 *db, void *p_aux, int argc, const char *const *argv, sqlite3_vtab **pp_vt, char **pzErr)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_connect (sqlite3 *db, void *p_aux, int argc, const char *const *argv, sqlite3_vtab **pp_vt, char **pzErr)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_disconnect (sqlite3_vtab *pVtab)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_destroy (sqlite3_vtab *pVtab)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_open (sqlite3_vtab *pVTab, sqlite3_vtab_cursor **pp_cursor)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_close (sqlite3_vtab_cursor *cur)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_eof (sqlite3_vtab_cursor *cur)
int64_t	anonymous_namespace{ExternalExecutor.cpp}::get_num_rows (OmniSciCursor *p_cur)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_next (sqlite3_vtab_cursor *cur)
template<class T >
DecodedString	anonymous_namespace{ExternalExecutor.cpp}::decode_string (const int8_t *column, const size_t cursor, StringDictionaryProxy *sdp)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_column (sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int col_idx)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_rowid (sqlite3_vtab_cursor *cur, sqlite_int64 *p_rowid)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_filter (sqlite3_vtab_cursor *p_vtc, int idxNum, const char *idxStr, int argc, sqlite3_value **argv)
int	anonymous_namespace{ExternalExecutor.cpp}::vt_best_index (sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo)
std::vector< TargetMetaInfo >	anonymous_namespace{ExternalExecutor.cpp}::create_table_schema (const PlanState *plan_state)
int64_t *	anonymous_namespace{ExternalExecutor.cpp}::get_scan_output_slot (int64_t *output_buffer, const size_t output_buffer_entry_count, const size_t pos, const size_t row_size_quad)
std::unique_ptr< ResultSet >	run_query_external (const ExecutionUnitSql &sql, const FetchResult &fetch_result, const PlanState *plan_state, const ExternalQueryOutputSpec &output_spec)
bool	is_supported_type_for_extern_execution (const SQLTypeInfo &ti)

Variables
sqlite3_module	anonymous_namespace{ExternalExecutor.cpp}::omnisci_module

Function Documentation

bool is_supported_type_for_extern_execution

(

const SQLTypeInfo &

ti

)

Definition at line 531 of file ExternalExecutor.cpp.

References SQLTypeInfo::is_fp(), SQLTypeInfo::is_integer(), and SQLTypeInfo::is_string().

Referenced by anonymous_namespace{ExternalExecutor.cpp}::create_table_schema(), and ScalarExprToSql::visitUOper().

                                                                   {
  return ti.is_integer() || ti.is_fp() || ti.is_string();
}

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std::unique_ptr<ResultSet> run_query_external	(	const ExecutionUnitSql &	sql,
		const FetchResult &	fetch_result,
		const PlanState *	plan_state,
		const ExternalQueryOutputSpec &	output_spec
	)

Definition at line 516 of file ExternalExecutor.cpp.

References bench_batch_streaming_ingest::create_table(), anonymous_namespace{ExternalExecutor.cpp}::create_table_schema(), ExternalQueryOutputSpec::executor, ExecutionUnitSql::from_table, ExecutionUnitSql::query, SqliteMemDatabase::run(), and SqliteMemDatabase::runSelect().

Referenced by ExecutionKernel::runImpl().

                                                {
  ExternalQueryTable external_query_table{fetch_result,
                                          create_table_schema(plan_state),
                                          sql.from_table,
                                          output_spec.executor};
  SqliteMemDatabase db(external_query_table);
  const auto create_table = "create virtual table " + sql.from_table + " using omnisci";
  db.run(create_table);
  return db.runSelect(sql.query, output_spec);
}

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