fcl-db: tests: PostgreSQL stores unquoted identifiers in lower-case which is not compliant with SQL standard.

(and causes some tests fail)
Introduce sql server type identifier char case formating function.

git-svn-id: trunk@27129 -

packages/fcl-db/tests/sqldbtoolsunit.pas

@@ -64,7 +64,9 @@ type
 var SQLConnType : TSQLConnType;
     SQLServerType : TSQLServerType;
     FieldtypeDefinitions : Array [TFieldType] of String[20];
-    
+
+function IdentifierCase(const s: string): string;
+
 implementation
 
 uses StrUtils;
@@ -137,6 +139,18 @@ const
     (ssMySQL,ssMySQL,ssMySQL,ssMySQL,ssMySQL,ssMySQL,ssPostgreSQL,ssFirebird,ssUnknown,ssOracle,ssSQLite,ssMSSQL,ssSybase);
 
 
+function IdentifierCase(const s: string): string;
+begin
+  // format unquoted identifier name as required by sql servers
+  case SQLServerType of
+    ssPostgreSQL: Result := LowerCase(s); // PostgreSQL stores unquoted identifiers in lowercase (incompatible with the SQL standard)
+    ssInterbase,
+    ssFirebird  : Result := UpperCase(s);
+    else
+                  Result := s; // mixed case
+  end;
+end;
+
 { TSQLDBConnector }
 
 procedure TSQLDBConnector.CreateFConnection;

packages/fcl-db/tests/testfieldtypes.pas

@@ -477,7 +477,7 @@ var
   i             : byte;
 
 begin
-  if SQLConnType<>postgresql then Ignore('This test does only apply to Postgres, since others don''t support varchars without length given');
+  if SQLServerType<>ssPostgreSQL then Ignore('This test does only apply to Postgres, since others don''t support varchars without length given');
 
   CreateTableWithFieldType(ftString,'VARCHAR');
   TestFieldDeclaration(ftString,dsMaxStringSize+1);
@@ -1341,12 +1341,12 @@ begin
   with ds do
     begin
     AFld1 := TIntegerField.Create(ds);
-    AFld1.FieldName := 'ID';
+    AFld1.FieldName := IdentifierCase('ID');
     AFld1.DataSet := ds;
     AFld1.ProviderFlags := AFld1.ProviderFlags + [pfInKey];
 
     AFld2 := TStringField.Create(ds);
-    AFld2.FieldName := 'NAME';
+    AFld2.FieldName := IdentifierCase('NAME');
     AFld2.DataSet := ds;
 
     AFld3 := TIntegerField.Create(ds);
@@ -1987,8 +1987,8 @@ begin
     Close;
 
     // tests parsing SELECT with quoted identifiers (MySQL requires sql-mode=ANSI_QUOTES)
-    SQL.Text:='SELECT"ID"FROM"FPDEV"ORDER BY"ID"';
-    if SQLServerType in [ssPostgreSQL] then SQL.Text:=lowercase(SQL.Text); // The folding of unquoted names to lower case in PostgreSQL is incompatible with the SQL standard
+    // The folding of unquoted names to lower case in PostgreSQL is incompatible with the SQL standard
+    SQL.Text:=IdentifierCase('SELECT"ID"FROM"FPDEV"ORDER BY"ID"');
     Open;
     CheckTrue(CanModify, SQL.Text);
     Close;