WL#5030: Split and remove mysql_priv.h

This patch:

- Moves all definitions from the mysql_priv.h file into
  header files for the component where the variable is
  defined
- Creates header files if the component lacks one
- Eliminates all include directives from mysql_priv.h
- Eliminates all circular include cycles
- Rename time.cc to sql_time.cc
- Rename mysql_priv.h to sql_priv.h

1 files changed, 78 insertions, 0 deletions

diff --git a/sql/sql_cache.h b/sql/sql_cache.h
index 9d1f32d6ef1..4fbd372d643 100644
--- a/sql/sql_cache.h
+++ b/sql/sql_cache.h
@@ -16,6 +16,16 @@
 #ifndef _SQL_CACHE_H
 #define _SQL_CACHE_H
 
+#include "hash.h"
+#include "my_base.h"                            /* ha_rows */
+
+class MY_LOCALE;
+class TABLE_LIST;
+class Time_zone;
+struct LEX;
+struct TABLE;
+typedef struct st_changed_table_list CHANGED_TABLE_LIST;
+
 /* Query cache */
 
 /*
@@ -66,6 +76,11 @@ struct Query_cache_result;
 class Query_cache;
 struct Query_cache_tls;
 struct LEX;
+class THD;
+
+typedef my_bool (*qc_engine_callback)(THD *thd, char *table_key,
+                                      uint key_length,
+                                      ulonglong *engine_data);
 
 /**
   This class represents a node in the linked chain of queries
@@ -502,5 +517,68 @@ protected:
   void unlock(void);
 };
 
+#ifdef HAVE_QUERY_CACHE
+struct Query_cache_query_flags
+{
+  unsigned int client_long_flag:1;
+  unsigned int client_protocol_41:1;
+  unsigned int protocol_type:2;
+  unsigned int more_results_exists:1;
+  unsigned int in_trans:1;
+  unsigned int autocommit:1;
+  unsigned int pkt_nr;
+  uint character_set_client_num;
+  uint character_set_results_num;
+  uint collation_connection_num;
+  ha_rows limit;
+  Time_zone *time_zone;
+  ulong sql_mode;
+  ulong max_sort_length;
+  ulong group_concat_max_len;
+  ulong default_week_format;
+  ulong div_precision_increment;
+  MY_LOCALE *lc_time_names;
+};
+#define QUERY_CACHE_FLAGS_SIZE sizeof(Query_cache_query_flags)
+#include "sql_cache.h"
+#define query_cache_abort(A) query_cache.abort(A)
+#define query_cache_end_of_result(A) query_cache.end_of_result(A)
+#define query_cache_store_query(A, B) query_cache.store_query(A, B)
+#define query_cache_destroy() query_cache.destroy()
+#define query_cache_result_size_limit(A) query_cache.result_size_limit(A)
+#define query_cache_init() query_cache.init()
+#define query_cache_resize(A) query_cache.resize(A)
+#define query_cache_set_min_res_unit(A) query_cache.set_min_res_unit(A)
+#define query_cache_invalidate3(A, B, C) query_cache.invalidate(A, B, C)
+#define query_cache_invalidate1(A) query_cache.invalidate(A)
+#define query_cache_send_result_to_client(A, B, C) \
+  query_cache.send_result_to_client(A, B, C)
+#define query_cache_invalidate_by_MyISAM_filename_ref \
+  &query_cache_invalidate_by_MyISAM_filename
+/* note the "maybe": it's a read without mutex */
+#define query_cache_maybe_disabled(T)                                 \
+  (T->variables.query_cache_type == 0 || query_cache.query_cache_size == 0)
+#define query_cache_is_cacheable_query(L) \
+  (((L)->sql_command == SQLCOM_SELECT) && (L)->safe_to_cache_query)
+#else
+#define QUERY_CACHE_FLAGS_SIZE 0
+#define query_cache_store_query(A, B)
+#define query_cache_destroy()
+#define query_cache_result_size_limit(A)
+#define query_cache_init()
+#define query_cache_resize(A)
+#define query_cache_set_min_res_unit(A)
+#define query_cache_invalidate3(A, B, C)
+#define query_cache_invalidate1(A)
+#define query_cache_send_result_to_client(A, B, C) 0
+#define query_cache_invalidate_by_MyISAM_filename_ref NULL
+
+#define query_cache_abort(A)
+#define query_cache_end_of_result(A)
+#define query_cache_invalidate_by_MyISAM_filename_ref NULL
+#define query_cache_maybe_disabled(T) 1
+#define query_cache_is_cacheable_query(L) 0
+#endif /*HAVE_QUERY_CACHE*/
+
 extern Query_cache query_cache;
 #endif