static void selectQueryHandler(ref QueryBuilder newQuery, string sqlStr)
{
string[] tokenList = new string[] { "select", "from", "inner join", "where", "group by", "order by", "limit" };
string tmp = "";
for(int i=0;i<=tokenList.Length-1;i++) {
tmp = tokenList[i];
sqlStr = sqlStr.Replace(tmp, "[" + tmp + "]");
tokenList[i]="["+tmp+"]";
}
System.Collections.ArrayList tokenised = new System.Collections.ArrayList();
newQuery.setType(ABSTRACTQUERYTYPES.SelectQuery);
newQuery.QueryLimit.lStart = -1;
newQuery.QueryLimit.lLimit = -1;
// build the token list
tokenised = SQLConsole.Data.utils.tokenizeList(sqlStr, tokenList);
foreach (tokenItem tokenitem in tokenised)
{
string tokenString = tokenitem.tokenValue;
string comString = tokenitem.tokenName;
string paramString = tokenString.Substring(tokenString.IndexOf(tokenitem.tokenName) + tokenitem.tokenName.Length + 1).Trim();
if(paramString.Length > 10)
if (paramString.Trim().ToLower().Substring(0, "distinct".Length) == "distinct")
{
newQuery.distinct = true;
paramString = paramString.Trim().Substring("distinct ".Length);
}
//string comString = tokenString.Substring(0, tokenString.IndexOf(" ")).Trim();
//string paramString = tokenString.Substring(tokenString.IndexOf(" ") + 1).Trim();
string tableAlias = ""; string tablename = "";
string[] fieldList;
switch (comString)
{
case "select":
string[] fieldnames = paramString.Split(',');
string realname = "";
string agg;
ABSTRACTAGGREGATE aggMode = ABSTRACTAGGREGATE.None;
foreach (string field in fieldnames)
{
realname = field.Trim();
if (field.IndexOf(")") > 0)
{
realname = field.Substring(field.IndexOf("(") + 1, field.IndexOf(")") - field.IndexOf("(") - 1);
realname = realname.Trim();
agg = field.Substring(0, field.IndexOf("(") - 1);
switch (agg)
{
case "count":
aggMode = ABSTRACTAGGREGATE.Count;
break;
case "max":
aggMode = ABSTRACTAGGREGATE.Max;
break;
case "min":
aggMode = ABSTRACTAGGREGATE.Min;
break;
}
}
if (realname.IndexOf(".") > 0)
newQuery.addField(new AField(realname.Substring(realname.IndexOf(".") + 1), null, realname.Substring(0, realname.IndexOf("."))));
else
{
if (realname == "*")
{
// deal with this seperately.
newQuery.addField(new AField(realname, null));
}
else
{
// Work out what source this field belongs to...
string pureName = realname.Substring(realname.IndexOf(".") + 1);
string[] sources = {};
for (int i = 0; i < tokenised.Count; i++)
{
if (((tokenItem)tokenised[i]).tokenName == "from")
{
string sourcesList = ((tokenItem)tokenised[i]).tokenValue;
sourcesList = sourcesList.Substring(sourcesList.IndexOf(((tokenItem)tokenised[i]).tokenName) + ((tokenItem)tokenised[i]).tokenName.Length + 1);
sourcesList.Trim();
string[] sources2 = sourcesList.Split(',');
sources = (string[])utils.ConcatenateArrays(sources, sources2);
}
else if (((tokenItem)tokenised[i]).tokenName == "inner join") {
string sourcesList = ((tokenItem)tokenised[i]).tokenValue;
sourcesList = sourcesList.Substring(sourcesList.IndexOf(((tokenItem)tokenised[i]).tokenName) + ((tokenItem)tokenised[i]).tokenName.Length + 1);
sourcesList = sourcesList.Substring(0, sourcesList.IndexOf(" on "));
sourcesList.Trim();
string[] sources2 = { sourcesList };
sources = (string[])utils.ConcatenateArrays(sources, sources2);
}
else if (((tokenItem)tokenised[i]).tokenName == "outer join") {
string sourcesList = ((tokenItem)tokenised[i]).tokenValue;
sourcesList = sourcesList.Substring(sourcesList.IndexOf(((tokenItem)tokenised[i]).tokenName) + ((tokenItem)tokenised[i]).tokenName.Length + 1);
sourcesList = sourcesList.Substring(0, sourcesList.IndexOf(" on "));
sourcesList.Trim();
string[] sources2 = { sourcesList };
sources = (string[])utils.ConcatenateArrays(sources, sources2);
}
else if (((tokenItem)tokenised[i]).tokenName == "join") {
string sourcesList = ((tokenItem)tokenised[i]).tokenValue;
sourcesList = sourcesList.Substring(sourcesList.IndexOf(((tokenItem)tokenised[i]).tokenName) + ((tokenItem)tokenised[i]).tokenName.Length + 1);
if(sourcesList.IndexOf(" on ") > 0)
sourcesList = sourcesList.Substring(0, sourcesList.IndexOf(" on "));
sourcesList.Trim();
string[] sources2 = { sourcesList };
sources = (string[])utils.ConcatenateArrays(sources, sources2);
}
}
AField newField = null;
foreach (string source in sources)
{
ATable src = null;
if (source.IndexOf(" ") > 0)
src = newQuery.getDatabaseObject().getTableObject(source.Substring(0, source.IndexOf(" ")));
else
src = newQuery.getDatabaseObject().getTableObject(source);
if (src == null)
throw (new Exception("Bad table name exception"));
if (src.getFieldByName(pureName) != null)
{
if (newField != null) throw (new Exception("Ambiguous field name: " + realname + ". Field could belong to more than one source table."));
newField = src.getFieldByName(pureName);
if (source.IndexOf(" ") > 0)
{
newField.owner = source.Substring(source.IndexOf(" ")+1);
}
}
}
if (newField == null)
throw (new Exception("Unable to determine source for field: " + realname));
newQuery.addField(newField);
//newQuery.addField(new AField(realname, null, (ATable)((QueryBuilder.SOURCEBINDING)newQuery.getSourceList()[0]).sourceObject));
//newQuery.addField(new AField(realname,null,""));
}
}
if (realname.IndexOf(".") > 0)
newQuery.getField(realname.Substring(realname.IndexOf(".") + 1), realname.Substring(0, realname.IndexOf("."))).function = aggMode;
else
newQuery.getField(realname).function = aggMode;
}
break;
case "distinct":
newQuery.distinct = true;
break;
case "from":
if (paramString.IndexOf(' ') != -1) {
tableAlias = paramString.Substring(paramString.IndexOf(' ') + 1);
tablename = paramString.Substring(0, paramString.IndexOf(' '));
}
else
tablename = paramString.Trim();
newQuery.addSource(new ATable(tablename, tableAlias));
break;
case "inner join":
System.Collections.ArrayList joinList = new System.Collections.ArrayList();
paramString = "inner join " + paramString;
if (paramString.ToLower().IndexOf("inner join", "inner join".Length + 1) >= 2)
{
while (paramString.Length >= 0)
{
string tmp2 = paramString;
if (paramString.ToLower().IndexOf("inner join", "inner join".Length + 1) >= 2)
tmp2 = paramString.ToLower().Substring(0, paramString.ToLower().IndexOf("inner join", "inner join".Length + 2)).Trim();
else
{
joinList.Add(tmp2);
break;
}
joinList.Add(tmp2);
paramString = paramString.ToLower().Substring(paramString.ToLower().IndexOf("inner join", "inner join".Length + 2)).Trim();
}
}
else
{
joinList.Add(paramString);
}
foreach (string tmpstr in joinList)
{
paramString = tmpstr.Substring("inner join".Length+1);
// inner join anothertable on sjlieglij=sliejgil
string lTmp = paramString.Substring(0, paramString.IndexOf(" on "));
if (lTmp.IndexOf(' ') != -1)
{
tableAlias = lTmp.Substring(lTmp.IndexOf(' ')).Trim();
tablename = lTmp.Substring(0, lTmp.IndexOf(' ')).Trim();
}
else
tablename = lTmp.Trim();
lTmp = paramString.Substring(paramString.IndexOf(" on") + " on".Length + 1);
string srcTable = ""; string dstTable = "";
string srcField = ""; string dstField = "";
srcTable = lTmp.Substring(0, lTmp.IndexOf('='));
dstTable = lTmp.Substring(lTmp.IndexOf('=') + 1);
if (srcTable.IndexOf('.') > 0)
{
// Assume specifed table.
srcField = srcTable.Substring(srcTable.IndexOf(".") + 1);
srcTable = srcTable.Substring(0, srcTable.IndexOf("."));
}
if (dstTable.IndexOf('.') > 0)
{
// Assume specifed table.
dstField = dstTable.Substring(dstTable.IndexOf(".") + 1);
dstTable = dstTable.Substring(0, dstTable.IndexOf("."));
}
newQuery.addSource(new ATable(tablename, tableAlias), ABSTRACTSOURCEBINDTYPES.INNERJOIN, ((QueryBuilder.SOURCEBINDING)newQuery.getSourceList()[newQuery.getSourceList().Count - 1]).sourceObject, srcField, dstField);
}
//newQuery.addSource(new ATable(tablename, tableAlias), ABSTRACTSOURCEBINDTYPES.INNERJOIN, null, lTmp.Substring(0, lTmp.IndexOf('=')), lTmp.Substring(lTmp.IndexOf('=')+1));
break;
case "join":
joinList = new System.Collections.ArrayList();
paramString = "join " + paramString;
if (paramString.ToLower().IndexOf("join", "join".Length + 1) >= 2)
{
while (paramString.Length >= 0)
{
string tmp2 = paramString;
if (paramString.ToLower().IndexOf("join", "join".Length + 1) >= 2)
tmp2 = paramString.ToLower().Substring(0, paramString.ToLower().IndexOf("join", "join".Length + 2)).Trim();
else
{
joinList.Add(tmp2);
break;
}
joinList.Add(tmp2);
paramString = paramString.ToLower().Substring(paramString.ToLower().IndexOf("join", "join".Length + 2)).Trim();
}
}
else
{
joinList.Add(paramString);
}
foreach (string tmpstr in joinList)
{
paramString = tmpstr.Substring("join".Length + 1);
// inner join anothertable on sjlieglij=sliejgil
string lTmp = paramString.Substring(0, paramString.IndexOf(" on "));
if (lTmp.IndexOf(' ') != -1)
{
tableAlias = lTmp.Substring(lTmp.IndexOf(' ')).Trim();
tablename = lTmp.Substring(0, lTmp.IndexOf(' ')).Trim();
}
else
tablename = lTmp.Trim();
lTmp = paramString.Substring(paramString.IndexOf(" on") + " on".Length + 1);
string srcTable = ""; string dstTable = "";
string srcField = ""; string dstField = "";
srcTable = lTmp.Substring(0, lTmp.IndexOf('='));
dstTable = lTmp.Substring(lTmp.IndexOf('=') + 1);
if (srcTable.IndexOf('.') > 0)
{
// Assume specifed table.
srcField = srcTable.Substring(srcTable.IndexOf(".") + 1);
srcTable = srcTable.Substring(0, srcTable.IndexOf("."));
}
if (dstTable.IndexOf('.') > 0)
{
// Assume specifed table.
dstField = dstTable.Substring(dstTable.IndexOf(".") + 1);
dstTable = dstTable.Substring(0, dstTable.IndexOf("."));
}
newQuery.addSource(new ATable(tablename, tableAlias), ABSTRACTSOURCEBINDTYPES.INNERJOIN, ((QueryBuilder.SOURCEBINDING)newQuery.getSourceList()[newQuery.getSourceList().Count - 1]).sourceObject, srcField, dstField);
}
//newQuery.addSource(new ATable(tablename, tableAlias), ABSTRACTSOURCEBINDTYPES.INNERJOIN, null, lTmp.Substring(0, lTmp.IndexOf('=')), lTmp.Substring(lTmp.IndexOf('=')+1));
break;
case "where":
// where b.id = sjilegj, b.Name = fjff
// where b.id = silegjlsg and
newQuery.conditionalString = paramString;
break;
case "group by":
fieldList = paramString.Split(',');
foreach(string ff in fieldList) {
newQuery.getField(ff).GroupBy = true;
}
break;
case "order by":
fieldList = paramString.Split(',');
foreach (string ff in fieldList)
{
/* patch...
bugfix: orderby where the field is not in the select field list
* ie: select * from [table] order by field
*/
string fname = null;
string fOrderType = null;
if (ff.IndexOf(' ') > 0)
{
ff.Trim();
fname = ff.Substring(0, ff.IndexOf(' '));
fOrderType = ff.Substring(ff.IndexOf(' ') + 1);
}
else
fname = ff;
if (newQuery.getField(fname) == null)
{
if (fname.IndexOf(".") > 0)
{
string tblName = ((ATable)newQuery.getSourceTableByAlias(fname.Substring(0, fname.IndexOf(".")))).name;
AField fld = newQuery.getDatabaseObject().getTableObject(tblName).getFieldByName((fname.Substring(fname.IndexOf(".") + 1)));
fld.owner = fname.Substring(0, fname.IndexOf("."));
newQuery.addField(fld);
}
else
newQuery.addField(newQuery.getDatabaseObject().GetTableCache().getCachedTable(((ATable)((QueryBuilder.SOURCEBINDING)newQuery.getSourceList()[0]).sourceObject).name).getFieldByName(fname));
}
if(fOrderType != null) {
if (fOrderType.ToLower() == "asc")
newQuery.getField(fname).OrderBy = ABSTRACTORDERTYPE.Ascending;
else
newQuery.getField(fname).OrderBy = ABSTRACTORDERTYPE.Descending;
}
else { //default to order by asc
if (fname.IndexOf(".")>0)
{
fname = fname.Substring(fname.IndexOf(".")+1);
}
if (fname == newQuery.getField(fname).name)
{
newQuery.getField(fname).OrderBy = ABSTRACTORDERTYPE.Ascending;
}
}
}
break;
case "limit":
newQuery.QueryLimit.lStart = 0;
if (paramString.IndexOf(',') > 0)
{
// format limit 0,5
// format limit offset, count
newQuery.QueryLimit.lStart = Convert.ToInt32(paramString.Substring(0, paramString.IndexOf(',')));
newQuery.QueryLimit.lLimit = Convert.ToInt32(paramString.Substring(paramString.IndexOf(',') + 1));
}
else
newQuery.QueryLimit.lLimit = Convert.ToInt32(paramString);
break;
}
}
}
