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8 Commits

Author SHA1 Message Date
VilhoRaatikka
619aeb4afa Query classifier can keep parse tree after the function that created it returns. Parse tree can then be queried from outside. Added skygw_query_classifier_get_stmtname which returns the name of statement, and skygw_query_classifier_free which frees mysql handle, parse tree and thread context (thd). 2014-06-24 21:45:00 +03:00
VilhoRaatikka
bbf1bc2afa Fix for bug #418 
Increased skygw_query_type_t to 16 bits, and corrected the way how those bit fields are checked.
Added tests for cases where autocommit is disabled and corrected old tests.
 2014-04-10 17:09:42 +03:00
VilhoRaatikka
2c17dc3edf Bug #418, added functions to query classifier to detect if SET autocommit is called. 
Note: this compiles but doesn't work yet properly.
 2014-04-09 23:43:03 +03:00
VilhoRaatikka
288ca68677 Changed variable type which includes information of query type returned by query classifier. 
As a consequence, if autocommit is enabled, active transaction(s) are implicitly committed and MaxScale detects that implicit commit.
 2014-03-20 12:15:57 +02:00
VilhoRaatikka
d6a9a5c1d0 MAX-10, Transaction support for MaxScale. 
Naive implementation, which routes all statements to master between BEGIN|START TRANSACTION <options> and ROLLBACK|COMMIT
 2014-03-18 23:41:32 +02:00
vraatikka
06ebc6f4b5 Added QUERY_TYPE_GLOBAL_WRITE for writes which don't reflect on binary log, but need to be present in every back-end server once executed. 2013-12-11 14:34:01 +02:00
vraatikka
f32cfe8546 query_classifier.cc 
resolve_query_type, traverse through the list of items of thd->free_list, identify functions and reason query type according to the function type. This phase can only increase the restrictiviness level of the query.

query_classifier.h
        Added new query type QUERY_TYPE_LOCAL_READ, for functions that can be executed in Maxscale. This type is the least restrict
ive query type. It is not used currently.

testmain.c
	Added a few test cases and fixed expected return values for query type tests.

readwritesplit.c
	polish

skygw_debug.h
	Added string macro for Item types.
 2013-10-25 11:55:45 +03:00
vraatikka
4854b56aba try to add query_classifier under skygteway 2013-06-17 18:19:46 +03:00