Use system tables for formats, engines, functions, collations, types

dbms/programs/client/Client.cpp

@@ -204,8 +204,23 @@ public:
 
         std::vector<Block> blocks;
 
-        //preload all functions
+        //preload all functions, table engines, formats, table functions, data types, combinators, collations
-        sendQuery("SELECT name FROM system.functions", blocks);
+        sendQuery(
+                "SELECT name FROM system.functions"
+                " UNION ALL "
+                "SELECT name FROM system.table_engines"
+                " UNION ALL "
+                "SELECT name FROM system.formats"
+                " UNION ALL "
+                "SELECT name FROM system.table_functions"
+                " UNION ALL "
+                "SELECT name FROM system.data_type_families"
+                " UNION ALL "
+                "SELECT name FROM system.aggregate_function_combinators"
+                " UNION ALL "
+                "SELECT name FROM system.collations",
+                blocks
+        );
         for (const auto &block : blocks) {
             size_t size = block.rows();
             for (size_t i = size; i--;) {

dbms/src/Client/QueryParts.h

@@ -111,11 +111,6 @@ QUERYPART queryParts[] = {
         {(const char *)"AND"},
         {(const char *)"OR"},
         {(const char *)"ASC"},
-        //TABLE FUNCTIONS
-        {(const char *)"file"},
-        {(const char *)"merge"},
-        {(const char *)"numbers"},
-        {(const char *)"remote"},
         //IN
         {(const char *)"IN"},
         //KILL QUERY
@@ -124,88 +119,6 @@ QUERYPART queryParts[] = {
         {(const char *)"SYNC"},
         {(const char *)"ASYNC"},
         {(const char *)"TEST"},
-        //TABLE ENGINES
-        {(const char *)"TinyLog"},
-        {(const char *)"Log"},
-        {(const char *)"Memory"},
-        {(const char *)"MergeTree"},
-        {(const char *)"ReplacingMergeTree"},
-        {(const char *)"SummingMergeTree"},
-        {(const char *)"AggregateFunction"},
-        {(const char *)"CollapsingMergeTree"},
-        {(const char *)"GraphiteMergeTree"},
-        {(const char *)"ReplicatedMergeTree"},
-        {(const char *)"ReplicatedSummingMergeTree"},
-        {(const char *)"ReplicatedReplacingMergeTree"},
-        {(const char *)"ReplicatedAggregatingMergeTree"},
-        {(const char *)"ReplicatedCollapsingMergeTree"},
-        {(const char *)"ReplicatedGraphiteMergeTree"},
-        {(const char *)"Distributed"},
-        {(const char *)"Dictionary"},
-        {(const char *)"Merge"},
-        {(const char *)"Buffer"},
-        {(const char *)"File"},
-        {(const char *)"Null"},
-        {(const char *)"Set"},
-        {(const char *)"Join"},
-        {(const char *)"View"},
-        {(const char *)"MaterializedView"},
-        {(const char *)"Kafka"},
-        {(const char *)"MySQL"},
-        //FORMATS
-        {(const char *)"TabSeparated"},
-        {(const char *)"TabSeparatedRaw"},
-        {(const char *)"TabSeparatedWithNames"},
-        {(const char *)"TSVWithNames"},
-        {(const char *)"TabSeparatedWithNamesAndTypes"},
-        {(const char *)"TSVWithNamesAndTypes"},
-        {(const char *)"CSV"},
-        {(const char *)"CSVWithNames"},
-        {(const char *)"Values"},
-        {(const char *)"Vertical"},
-        {(const char *)"VerticalRaw"},
-        {(const char *)"JSON"},
-        {(const char *)"JSONCompact"},
-        {(const char *)"JSONEachRow"},
-        {(const char *)"TSKV"},
-        {(const char *)"Pretty"},
-        {(const char *)"PrettyCompact"},
-        {(const char *)"PrettyCompactMonoBlock"},
-        {(const char *)"PrettyNoEscapes"},
-        {(const char *)"PrettySpace"},
-        {(const char *)"RowBinary"},
-        {(const char *)"Native"},
-        {(const char *)"XML"},
-        {(const char *)"CapnProto"},
-        {(const char *)"ODBCDriver"},
-        {(const char *)"PrettyCompactNoEscapes"},
-        {(const char *)"PrettySpaceNoEscapes"},
-        {(const char *)"TSVRaw"},
-        //TYPES
-        {(const char *)"Int8"},
-        {(const char *)"Int16"},
-        {(const char *)"Int32"},
-        {(const char *)"Int64"},
-        {(const char *)"UInt8"},
-        {(const char *)"UInt16"},
-        {(const char *)"UInt32"},
-        {(const char *)"UInt64"},
-        {(const char *)"Float32"},
-        {(const char *)"Float64"},
-        {(const char *)"Boolean"},
-        {(const char *)"String"},
-        {(const char *)"FixedString"},
-        {(const char *)"Date"},
-        {(const char *)"DateTime"},
-        {(const char *)"Enum8"},
-        {(const char *)"Enum16"},
-        {(const char *)"Array"},
-        {(const char *)"Tuple"},
-        {(const char *)"Nested"},
-        {(const char *)"Expression"},
-        {(const char *)"Set"},
-        {(const char *)"Nullable"},
-        {(const char *)"tuple"},
         //END OF LIST
         {(const char *)nullptr},
 };