public WhereUnion(List <Where.Builder> builders, ViewSchema vs, ViewTable vTable, SelectSet selectSet, Select select, Schema baseSchema, Table table, Operation.ExpressionParsingContext expressionParsingContext)
{
foreach (var b in builders)
{
Add(b.Build(vs, vTable, selectSet, select, baseSchema, table, expressionParsingContext));
}
}
// [Figure.1] Example structure of nodes, SelectSets and ExpressionParsingContext (EPC)
//=============================================================================================================================================================
// Node | SelectSet | Node 0 | Node 0_0 | Node 0_0_0 | Node 0_0_1 | Node 0_1 | Node 0_1_0 | Node 0_1_1
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
// + Node 0
// | localSelectSet EPC.row=-1 EPC.row=-1 EPC.row=-1 EPC.row-1 EPC.row=-1 EPC.row=-1 EPC.row=-1
// | /|\ /|\ /|\ /|\ /|\ /|\ /|\
// | | | | | | | |
// | dataSelectSet EPC.row=-1 EPC.row=0 EPC.row=0 EPC.row=0 EPC.row=1 EPC.row=1 EPC.row=1
// | /|\ /|\ /|\ /|\ /|\ /|\
// |-+ Node 0_0 | | | | | |
// | | localSelectSet EPC.row=-1 EPC.row=-1 EPC.row=-1 | | |
// | | /|\ /|\ /|\ | | |
// | | | | | | | |
// | | dataSelectSet EPC.row=-1 EPC.row=0 EPC.row=1 | | |
// | | /|\ /|\ | | |
// | |- Node 0_0_0 | | | | |
// | | localSelectSet EPC.row=-1 | | | |
// | | /|\ | | | |
// | | | | | | |
// | | dataSelectSet EPC.row=-1 | | | |
// | | | | | |
// | |- Node 0_0_1 | | | |
// | | | | |
// | localSelectSet EPC.row=-1 | | |
// | /|\ | | |
// | | | | |
// | dataSelectSet EPC.row=-1 | | |
// | | | |
// |-+ Node 0_1 | | |
// | localSelectSet EPC.row=-1 EPC.row=-1 EPC.row=-1
// | /|\ /|\ /|\
// | | | |
// | dataSelectSet EPC.row=-1 EPC.row=0 EPC.row=1
// | /|\ /|\
// |- Node 0_1_0 | |
// | localSelectSet | |
// | EPC.row=-1 |
// | /|\ |
// | dataSelectSet | |
// | EPC.row=-1 |
// |- Node 0_1_1 |
// localSelectSet |
// EPC.row=-1
// /|\
// dataSelectSet |
// EPC.row=-1
//=============================================================================================================================================================
//
// Using this structure, name look-up are prioritized in this order:
//==========================================================================
// Node | Select Set | Data used from select set
//--------------------------------------------------------------------------
// Node 0
// Node0.dataSelectSet all
// Node0.localSelectSet all
// Node 0_0
// Node0_0.dataSelectSet all
// Node0_0.localSelectSet all
// Node0.dataSelectSet row 0
// Node0.localSelectSet all
// Node 0_1:
// Node0_1.dataSelectSet all
// Node0_1.localSelectSet all
// Node0.dataSelectSet row 1
// Node0.localSelectSet all
// Node 0_0_0
// Node0_0_0.dataSelectSet all
// Node0_0_0.localSelectSet all
// Node0_0.dataSelectSet row 0
// Node0_0.localSelectSet all
// Node0.dataSelectSet row 0
// Node0.localSelectSet all
// Node 0_0_1
// Node0_0_1.dataSelectSet all
// Node0_0_1.localSelectSet all
// Node0_0.dataSelectSet row 1
// Node0_0.localSelectSet all
// Node0.dataSelectSet row 0
// Node0.localSelectSet all
// Node 0_1_0
// Node0_1_0.dataSelectSet all
// Node0_1_0.localSelectSet all
// Node0_1.dataSelectSet row 0
// Node0_1.localSelectSet all
// Node0.dataSelectSet row 1
// Node0.localSelectSet all
// Node 0_1_1
// Node0_1_1.dataSelectSet all
// Node0_1_1.localSelectSet all
// Node0_1.dataSelectSet row 1
// Node0_1.localSelectSet all
// Node0.dataSelectSet row 1
// Node0.localSelectSet all
//==========================================================================
public ViewTable(ViewSchema viewSchema, Schema baseSchema, Builder.Node node, ExpressionParsingContext parentExpressionParsingContext)
: base(viewSchema)
{
this.ViewSchema = viewSchema;
this.BaseSchema = baseSchema;
this.node = node;
ExpressionParsingContext = parentExpressionParsingContext;
ParentExpressionParsingContext = parentExpressionParsingContext;
}
public Where Build(ViewSchema vs, ViewTable vTable, SelectSet selectSet, Select select, Schema baseSchema, Table table, Operation.ExpressionParsingContext expressionParsingContext)
{
Where w = new Where();
var option = new Operation.Expression.ParseIdentifierOption(vs, table, true, false, null, expressionParsingContext);
option.formatError = (msg, y) =>
{
return(FormatErrorContextInfo(vs, vTable, select) + msg);
};
option.BypassSelectSetCondition = selectSet;
w.m_Comparison = comparison.Build(option);
return(w);
}
private string FormatErrorContextInfo(ViewSchema vs, ViewTable vTable)
{
string str = "Error while building view column '" + name + "'";
if (vs != null)
{
str += " schema '" + vs.name + "'";
}
if (vTable != null)
{
str += " view table '" + vTable.GetName() + "'";
}
return(str);
}
public void Build(ViewSchema vs, ViewTable vTable, SelectSet selectSet, Select sel, Database.Schema baseSchema, Operation.ExpressionParsingContext expressionParsingContext)
{
if (where.Count > 0)
{
sel.where = new WhereUnion();
foreach (var w in where)
{
var w2 = w.Build(vs, vTable, selectSet, sel, baseSchema, sel.sourceTable, expressionParsingContext);
if (w2.Comparison.IsManyToMany())
{
sel.isManyToMany = true;
}
sel.where.Add(w2);
}
}
}
public SelectSet Build(ViewTable viewTable, ViewSchema viewSchema, Database.Schema baseSchema)
{
if (select.Count == 0)
{
return(null);
}
SelectSet selectSet = new SelectSet();
// Create select statements (first pass)
foreach (var iSelect in select)
{
Select s = iSelect.Create(viewTable.ViewSchema, baseSchema, viewTable);
if (s != null)
{
selectSet.Add(s);
}
else
{
Debug.LogError("Could not create Select named '" + iSelect.name + "'");
}
}
// add current set to the expression parsing hierarchy
var expressionParsingContext = new Operation.ExpressionParsingContext(viewTable.ExpressionParsingContext, selectSet);
// Build select statements (second pass)
var eSelBuilder = select.GetEnumerator();
var eSelList = selectSet.select.GetEnumerator();
while (eSelBuilder.MoveNext())
{
eSelList.MoveNext();
eSelBuilder.Current.Build(viewSchema, viewTable, selectSet, eSelList.Current, baseSchema, expressionParsingContext);
}
if (Condition != null)
{
Operation.Expression.ParseIdentifierOption parseOpt = new Operation.Expression.ParseIdentifierOption(viewSchema, viewTable, true, false, null, expressionParsingContext);
parseOpt.BypassSelectSetCondition = selectSet;
selectSet.Condition = Condition.Build(parseOpt);
}
return(selectSet);
}
public Select Create(ViewSchema vs, Database.Schema baseSchema, Table table)
{
Select sel = new Select();
sel.name = name;
if (baseSchema != null)
{
sel.sourceTable = baseSchema.GetTableByName(sourceTableName);
}
sel.MaxRow = MaxRow;
if (sel.sourceTable == null)
{
Debug.LogError("No table named '" + (sourceTableName == null ? "null" : sourceTableName) + "'");
return(null);
}
return(sel);
}
public ViewSchema Build(Database.Schema baseSchema)
{
ViewSchema vs = new ViewSchema();
vs.baseSchema = baseSchema;
vs.tables = new ViewTable[viewTable.Count];
vs.name = name;
int i = 0;
foreach (var tBuilder in viewTable)
{
var table = tBuilder.Build(vs, baseSchema);
vs.tables[i] = table;
vs.tablesByName.Add(table.GetName(), table);
++i;
}
return(vs);
}
private string FormatErrorContextInfo(ViewSchema vs, ViewTable vTable, Select select)
{
string str = "";
if (vs != null && vTable != null)
{
str += "Error while building view '" + vs.name + "' table '" + vTable.GetName() + "'";
}
if (select != null)
{
str += " select '" + select.name + "'";
}
if (str != "")
{
str += ". ";
}
return(str);
}
public ViewTable Build(BuildingData buildingData, ViewTable parent, long row, ViewSchema vs, Database.Schema baseSchema, Operation.ExpressionParsingContext parentExpressionParsingContext)
{
// Check for usage error from data.
if (parent == null && String.IsNullOrEmpty(name))
{
Debug.LogError("Table need a name");
return(null);
}
// Check for usage error from code.
if (!(parent == null || parent.node == this.parent))
{
Debug.LogError("Parent ViewTable must points to the node's parent while building child node's ViewTable.");
}
ViewTable vTable = new ViewTable(vs, baseSchema, this, parentExpressionParsingContext);
// If has local select set, create it and add it to the expression parsing context hierarchy. see [Figure.1]
vTable.SetupLocalSelectSet(localSelectSet.Build(vTable, vs, baseSchema));
MetaTable metaTable = BuildOrGetMetaTable(parent, vTable);
if (buildingData.MetaTable == null)
{
buildingData.MetaTable = metaTable;
}
//declare columns
foreach (var colb in column)
{
MetaColumn metaColumn = metaTable.GetColumnByName(colb.name);
colb.BuildOrUpdateDeclaration(buildingData, vTable, ref metaColumn, vTable.ExpressionParsingContext);
}
if (data != null)
{
data.Build(buildingData, this, vTable, parent, parentExpressionParsingContext);
}
// Fix meta columns (that does not have a data type set) to their fallback value
foreach (var fb in buildingData.FallbackColumnType)
{
if (fb.Key.Type == null)
{
fb.Key.Type = fb.Value;
}
}
//Build missing column with default behavior
for (int i = 0; i != metaTable.GetColumnCount(); ++i)
{
var metaColumn = metaTable.GetColumnByIndex(i);
var column = vTable.GetColumnByIndex(i);
if (column == null)
{
if (metaColumn.DefaultMergeAlgorithm != null)
{
//when we have a merge algorithm, set the entries as the result of each group's merge value.
column = ViewColumn.Builder.BuildColumnNodeMerge(vTable, metaColumn, parentExpressionParsingContext);
}
vTable.SetColumn(metaColumn, column);
}
}
if (data != null && data.type == Data.DataType.Select && vTable.dataSelectSet.IsManyToMany())
{
Debug.LogError("Cannot build a view using a many-to-many select statement. Specify a row value for your select statement where condition(s).");
MemoryProfilerAnalytics.AddMetaDatatoEvent <MemoryProfilerAnalytics.LoadViewXMLEvent>(7);
}
return(vTable);
}
public BuildingData(ViewSchema schema, Schema baseSchema)
{
Schema = schema;
BaseSchema = baseSchema;
}
