MyRocks: MDEV-15911: Reduce debug logging on default levels in error log

MyRocks internally will print non-critical messages to
sql_print_verbose_info() which will do what InnoDB does in similar cases:
check if (global_system_variables.log_warnings > 2).

sql/log.cc

@@ -8747,16 +8747,20 @@ void sql_print_information(const char *format, ...)
   va_list args;
   DBUG_ENTER("sql_print_information");
 
-  if (disable_log_notes)
-    DBUG_VOID_RETURN;                 // Skip notes during start/shutdown
-  
   va_start(args, format);
-  error_log_print(INFORMATION_LEVEL, format, args);
+  sql_print_information_v(format, args);
   va_end(args);
 
   DBUG_VOID_RETURN;
 }
 
+void sql_print_information_v(const char *format, va_list ap)
+{
+  if (disable_log_notes)
+    return;                 // Skip notes during start/shutdown
+
+  error_log_print(INFORMATION_LEVEL, format, ap);
+}
 
 void
 TC_LOG::run_prepare_ordered(THD *thd, bool all)

sql/log.h

@@ -1075,6 +1075,7 @@ int vprint_msg_to_log(enum loglevel level, const char *format, va_list args);
 void sql_print_error(const char *format, ...);
 void sql_print_warning(const char *format, ...);
 void sql_print_information(const char *format, ...);
+void sql_print_information_v(const char *format, va_list ap);
 typedef void (*sql_print_message_func)(const char *format, ...);
 extern sql_print_message_func sql_print_message_handlers[];
 

storage/rocksdb/ha_rocksdb.cc

@@ -220,7 +220,7 @@ static int rocksdb_compact_column_family(THD *const thd,
   if (const char *const cf = value->val_str(value, buff, &len)) {
     auto cfh = cf_manager.get_cf(cf);
     if (cfh != nullptr && rdb != nullptr) {
-      sql_print_information("RocksDB: Manual compaction of column family: %s\n",
+      sql_print_verbose_info("RocksDB: Manual compaction of column family: %s\n",
                              cf);
       rdb->CompactRange(getCompactRangeOptions(), cfh, nullptr, nullptr);
     }
@@ -7776,7 +7776,7 @@ int ha_rocksdb::check(THD *const thd, HA_CHECK_OPT *const check_opt) {
 
   /* For each secondary index, check that we can get a PK value from it */
   // NO_LINT_DEBUG
-  sql_print_information("CHECKTABLE %s: Checking table %s", table_name,
+  sql_print_verbose_info("CHECKTABLE %s: Checking table %s", table_name,
                          table_name);
   ha_rows UNINIT_VAR(row_checksums_at_start); // set/used iff first_index==true
   ha_rows row_checksums = ha_rows(-1);
@@ -7792,7 +7792,7 @@ int ha_rocksdb::check(THD *const thd, HA_CHECK_OPT *const check_opt) {
         row_checksums_at_start = m_row_checksums_checked;
       int res;
       // NO_LINT_DEBUG
-      sql_print_information("CHECKTABLE %s:   Checking index %s", table_name,
+      sql_print_verbose_info("CHECKTABLE %s:   Checking index %s", table_name,
                              table->key_info[keyno].name);
       while (1) {
         if (!rows)
@@ -7881,7 +7881,7 @@ int ha_rocksdb::check(THD *const thd, HA_CHECK_OPT *const check_opt) {
       }
       }
       // NO_LINT_DEBUG
-      sql_print_information("CHECKTABLE %s:   ... %lld index entries checked "
+      sql_print_verbose_info("CHECKTABLE %s:   ... %lld index entries checked "
                              "(%lld had checksums)",
                              table_name, rows, checksums);
 
@@ -7894,7 +7894,7 @@ int ha_rocksdb::check(THD *const thd, HA_CHECK_OPT *const check_opt) {
   }
   if (row_checksums != ha_rows(-1)) {
     // NO_LINT_DEBUG
-    sql_print_information("CHECKTABLE %s:   %lld table records had checksums",
+    sql_print_verbose_info("CHECKTABLE %s:   %lld table records had checksums",
                            table_name, row_checksums);
   }
   extra(HA_EXTRA_NO_KEYREAD);
@@ -12655,8 +12655,20 @@ double ha_rocksdb::read_time(uint index, uint ranges, ha_rows rows) {
   DBUG_RETURN((rows / 20.0) + 1);
 }
 
+void sql_print_verbose_info(const char *format, ...)
+{
+  va_list args;
+
+  if (global_system_variables.log_warnings > 2) {
+    va_start(args, format);
+    sql_print_information_v(format, args);
+    va_end(args);
+  }
+}
+
 } // namespace myrocks
 
+
 /**
   Construct and emit duplicate key error message using information
   from table's record buffer.

storage/rocksdb/ha_rocksdb.h

@@ -1415,4 +1415,8 @@ struct Rdb_inplace_alter_ctx : public my_core::inplace_alter_handler_ctx {
 const int MYROCKS_MARIADB_PLUGIN_MATURITY_LEVEL= MariaDB_PLUGIN_MATURITY_GAMMA;
 
 extern bool prevent_myrocks_loading;
+
+void sql_print_verbose_info(const char *format, ...);
+
 } // namespace myrocks
+

storage/rocksdb/rdb_datadic.cc

@@ -4906,7 +4906,7 @@ void Rdb_dict_manager::add_create_index(
     rocksdb::WriteBatch *const batch) const {
   for (const auto &gl_index_id : gl_index_ids) {
     // NO_LINT_DEBUG
-    sql_print_information("RocksDB: Begin index creation (%u,%u)",
+    sql_print_verbose_info("RocksDB: Begin index creation (%u,%u)",
                            gl_index_id.cf_id, gl_index_id.index_id);
     start_create_index(batch, gl_index_id);
   }
@@ -4986,7 +4986,7 @@ void Rdb_dict_manager::rollback_ongoing_index_creation() const {
 
   for (const auto &gl_index_id : gl_index_ids) {
     // NO_LINT_DEBUG
-    sql_print_information("RocksDB: Removing incomplete create index (%u,%u)",
+    sql_print_verbose_info("RocksDB: Removing incomplete create index (%u,%u)",
                            gl_index_id.cf_id, gl_index_id.index_id);
 
     start_drop_index(batch, gl_index_id);