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Experimental: query exact row count from tables and views, in data tab and table tools

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This commit is contained in:
Ansgar Becker
2021-06-03 09:27:13 +02:00
parent 193c07a65e
commit a144466e71
3 changed files with 24 additions and 70 deletions
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16
source/tabletools.pas
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@ -994,15 +994,15 @@ begin
case DBObj.Connection.Parameters.NetTypeGroup of
ngMySQL, ngPgSQL:
SQL := 'SELECT '''+DBObj.Database+''' AS '+DBObj.Connection.QuoteIdent('Database')+', '''+DBObj.Name+''' AS '+DBObj.Connection.QuoteIdent('Table')+', COUNT(*) AS '+DBObj.Connection.QuoteIdent('Found rows')+', '
+ 'CONCAT(ROUND(100 / '+IntToStr(Max(DBObj.Rows,1))+' * COUNT(*), 1), ''%'') AS '+DBObj.Connection.QuoteIdent('Relevance')+' FROM '+DBObj.QuotedDatabase+'.'+DBObj.QuotedName+' WHERE '
+ 'CONCAT(ROUND(100 / '+IntToStr(Max(DBObj.RowCount,1))+' * COUNT(*), 1), ''%'') AS '+DBObj.Connection.QuoteIdent('Relevance')+' FROM '+DBObj.QuotedDatabase+'.'+DBObj.QuotedName+' WHERE '
+ SQL;
ngMSSQL:
SQL := 'SELECT '''+DBObj.Database+''' AS '+DBObj.Connection.QuoteIdent('Database')+', '''+DBObj.Name+''' AS '+DBObj.Connection.QuoteIdent('Table')+', COUNT(*) AS '+DBObj.Connection.QuoteIdent('Found rows')+', '
+ 'CONVERT(VARCHAR(10), ROUND(100 / '+IntToStr(Max(DBObj.Rows,1))+' * COUNT(*), 1)) + ''%'' AS '+DBObj.Connection.QuoteIdent('Relevance')+' FROM '+DBObj.QuotedDatabase+'.'+DBObj.QuotedName+' WHERE '
+ 'CONVERT(VARCHAR(10), ROUND(100 / '+IntToStr(Max(DBObj.RowCount,1))+' * COUNT(*), 1)) + ''%'' AS '+DBObj.Connection.QuoteIdent('Relevance')+' FROM '+DBObj.QuotedDatabase+'.'+DBObj.QuotedName+' WHERE '
+ SQL;
ngSQLite:
SQL := 'SELECT '''+DBObj.Database+''' AS '+DBObj.Connection.QuoteIdent('Database')+', '''+DBObj.Name+''' AS '+DBObj.Connection.QuoteIdent('Table')+', COUNT(*) AS '+DBObj.Connection.QuoteIdent('Found rows')+', '
+ '(ROUND(100 / '+IntToStr(Max(DBObj.Rows,1))+' * COUNT(*), 1) || ''%'') AS '+DBObj.Connection.QuoteIdent('Relevance')+' FROM '+DBObj.QuotedDatabase+'.'+DBObj.QuotedName+' WHERE '
+ '(ROUND(100 / '+IntToStr(Max(DBObj.RowCount,1))+' * COUNT(*), 1) || ''%'') AS '+DBObj.Connection.QuoteIdent('Relevance')+' FROM '+DBObj.QuotedDatabase+'.'+DBObj.QuotedName+' WHERE '
+ SQL;
end;
AddResults(SQL, DBObj.Connection);
@ -1474,9 +1474,9 @@ const
BytesDone: Int64;
begin
LogRow := FResults.Last;
Percent := 100 / Max(DBObj.Rows,1) * Max(RowsDone,1);
Percent := 100 / Max(DBObj.RowCount,1) * Max(RowsDone,1);
Percent := Min(Percent, 100);
BytesDone := Max(DBObj.Size,0) div Max(DBObj.Rows,1) * RowsDone;
BytesDone := Max(DBObj.Size,0) div Max(DBObj.RowCount,1) * RowsDone;
FObjectSizesDoneExact := FObjectSizesDone + BytesDone;
LogRow[2] := FormatNumber(RowsDone) + ' / ' + FormatNumber(Percent, 0)+'%';
LogRow[3] := FormatTimeNumber((GetTickCount-StartTime) / 1000, True);
@ -1487,7 +1487,7 @@ begin
// Handle one table, view or whatever in SQL export mode
AddResults('SELECT '+DBObj.Connection.EscapeString(DBObj.Database)+' AS '+DBObj.Connection.QuoteIdent('Database')+', ' +
DBObj.Connection.EscapeString(DBObj.Name)+' AS '+DBObj.Connection.QuoteIdent('Table')+', ' +
IntToStr(DBObj.Rows)+' AS '+DBObj.Connection.QuoteIdent('Rows')+', '+
IntToStr(DBObj.RowCount)+' AS '+DBObj.Connection.QuoteIdent('Rows')+', '+
'0 AS '+DBObj.Connection.QuoteIdent('Duration')
, DBObj.Connection
);
@ -1712,9 +1712,7 @@ begin
if menuExportAddComments.Checked then
Output('-- '+f_('Table data not exported because this is %s table which holds its data in separate tables.', [DBObj.Engine])+CRLF+CRLF, False, True, True, False, False);
end else begin
tmp := FormatNumber(DBObj.Rows)+' rows';
if LowerCase(DBObj.Engine) = 'innodb' then
tmp := '~'+tmp+' ('+_('approximately')+')';
tmp := FormatNumber(DBObj.RowCount)+' rows';
if menuExportAddComments.Checked then
Output('-- '+f_('Dumping data for table %s.%s: %s', [DBObj.Database, DBObj.Name, tmp])+CRLF, False, True, True, False, False);
TargetDbAndObject := Quoter.QuoteIdent(DBObj.Name);