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QC: Documentation cleaned up and moved to header

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This commit is contained in:
Johan Wikman
2016-10-26 11:31:46 +03:00
parent dc97de57c2
commit 19e017e499
3 changed files with 303 additions and 139 deletions
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45
query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
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@ -1083,15 +1083,6 @@ static void* skygw_get_affected_tables(void* lexptr)
return (void*) lex->current_select->table_list.first;
}
/**
* Reads the parsetree and lists all the affected tables and views in the query.
* In the case of an error, the size of the table is set to zero and no memory
* is allocated. The caller must free the allocated memory.
*
* @param querybuf GWBUF where the table names are extracted from
* @param tblsize Pointer where the number of tables is written
* @return Array of null-terminated strings with the table names
*/
char** qc_get_table_names(GWBUF* querybuf, int* tblsize, bool fullnames)
{
LEX* lex;
@ -1193,11 +1184,6 @@ retblock:
return tables;
}
/**
* Extract, allocate memory and copy the name of the created table.
* @param querybuf Buffer to use.
* @return A pointer to the name if a table was created, otherwise NULL
*/
char* qc_get_created_table_name(GWBUF* querybuf)
{
if (querybuf == NULL)
@ -1226,16 +1212,6 @@ char* qc_get_created_table_name(GWBUF* querybuf)
return table_name;
}
/**
* Checks whether the query is a "real" query ie. SELECT,UPDATE,INSERT,DELETE or
* any variation of these. Queries that affect the underlying database are not
* considered as real queries and the queries that target specific row or
* variable data are regarded as the real queries.
*
* @param GWBUF to analyze
*
* @return true if the query is a real query, otherwise false
*/
bool qc_is_real_query(GWBUF* querybuf)
{
bool succp;
@ -1291,11 +1267,6 @@ retblock:
return succp;
}
/**
* Checks whether the buffer contains a DROP TABLE... query.
* @param querybuf Buffer to inspect
* @return true if it contains the query otherwise false
*/
bool qc_is_drop_table_query(GWBUF* querybuf)
{
bool answer = false;
@ -1522,11 +1493,6 @@ static void collect_affected_fields(collect_source_t source,
}
}
/**
* Returns all the fields that the query affects.
* @param buf Buffer to parse
* @return Pointer to newly allocated string or NULL if nothing was found
*/
char* qc_get_affected_fields(GWBUF* buf)
{
LEX* lex;
@ -1773,17 +1739,6 @@ static void parsing_info_set_plain_str(void* ptr, char* str)
pi->pi_query_plain_str = str;
}
/**
* Returns an array of strings of databases that this query uses.
* If the database isn't defined in the query, it is assumed that this query
* only targets the current database.
* The value of @p size is set to the number of allocated strings. The caller is
* responsible for freeing all the allocated memory.
* @param querybuf GWBUF containing the query
* @param size Size of the resulting array
* @return A new array of strings containing the database names or NULL if no
* databases were found.
*/
char** qc_get_database_names(GWBUF* querybuf, int* size)
{
LEX* lex;