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MXS-1249: Qc, allow setting the server version

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In the case of qc_sqlite, the server version may affect how statements
are parsed.
This commit is contained in:
Johan Wikman
2017-06-19 11:21:41 +03:00
parent 3ef142bfe3
commit 1034cc51be
4 changed files with 112 additions and 0 deletions
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42
include/maxscale/query_classifier.h
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@ -373,6 +373,27 @@ typedef struct query_classifier
* exhaustion or equivalent.
*/
int32_t (*qc_get_preparable_stmt)(GWBUF* stmt, GWBUF** preparable_stmt);
/**
* Set the version of the server. The version may affect how a statement
* is classified. Note that the server version is maintained separately
* for each thread.
*
* @param major The major version.
* @param minor The minor version.
* @param patch The patch version.
*/
void (*qc_set_server_version)(uint32_t major, uint32_t minor, uint32_t patch);
/**
* Get the thread specific version assumed of the server. If the version has
* not been set, all values are 0.
*
* @param major The major version.
* @param minor The minor version.
* @param patch The patch version.
*/
void (*qc_get_server_version)(uint32_t* major, uint32_t* minor, uint32_t* patch);
} QUERY_CLASSIFIER;
/**
@ -758,4 +779,25 @@ const char* qc_type_to_string(qc_query_type_t type);
*/
char* qc_typemask_to_string(uint32_t typemask);
/**
* Set the version of the server. The version may affect how a statement
* is classified. Note that the server version is maintained separately
* for each thread.
*
* @param major The major version.
* @param minor The minor version.
* @param patch The patch version.
*/
void qc_set_server_version(uint32_t major, uint32_t minor, uint32_t patch);
/**
* Get the thread specific version assumed of the server. If the version has
* not been set, all values are 0.
*
* @param major The major version.
* @param minor The minor version.
* @param patch The patch version.
*/
void qc_get_server_version(uint32_t* major, uint32_t* minor, uint32_t* patch);
MXS_END_DECLS