qc_get_type
Returns the type of the query; READ, WRITE, BEGIN_TRX, COMMIT, etc.
readwritesplit.c
shardrouter.c
schemarouter.c

qc_get_operation
Returns the operation of the query; SELECT, UPDATE, INSERT, etc.
dbfwfilter.c
readwritesplit.c
sharding_common.c
schemarouter.c

qc_get_created_table_name
Returns the name of the created table (if one was created).
readwritesplit.c
schemarouter.c

qc_is_drop_table_query
Returns true if the query contains "DROP TABLE...".
readwritesplit.c
schemarouter.c

qc_is_real_query
Returns true if the query is a SELECT, UPDATE, INSERT, DELETE or any variation of those.
dbfwfilter.c
mqfilter.c

qc_get_table_names
Returns the names of all tables and views in the query.
mqfilter.c
readwritesplit.c
schemarouter.c

qc_get_canonical
Returns the canonical form of the query.
mqfilter.c

qc_query_has_clause
Returns true if the query has a where or having clause.
dbfwfilter.c

qc_get_qtype_str
Returns the type of the query as a string.
readwritesplit.c
schemarouter.c

qc_get_affected_fields
Returns all fields affected by the query as a string.
dbfwfilter.c

qc_get_database_names
Returns an arrayf of strings of database that the query uses.
shardrouter.c
schemarouter.c