public static CreateStatement ParseAlter(Scope scope, KeywordToken alterToken)
{
scope = scope.Clone();
scope.Hint |= ScopeHint.SuppressStatementStarts | ScopeHint.SuppressFunctionDefinition | ScopeHint.SuppressFunctionCall | ScopeHint.SuppressLogic;
var ret = new CreateStatement(scope);
ret.AddToken(alterToken);
var code = scope.Code;
var word = code.PeekWordR();
if (word == "table")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "table"));
ret.ParseAlterTable();
}
return(ret);
}
public static CreateStatement ParseCreate(Scope scope, KeywordToken createToken)
{
scope = scope.Clone();
scope.Hint |= ScopeHint.SuppressStatementStarts | ScopeHint.SuppressFunctionDefinition | ScopeHint.SuppressFunctionCall | ScopeHint.SuppressLogic;
var ret = new CreateStatement(scope);
ret.AddToken(createToken);
var code = scope.Code;
var word = code.PeekWordR();
if (word == "table")
{
ret.ParseCreateTable(new KeywordToken(scope, code.MovePeekedSpan(), "table"));
}
else if (word == "relationship")
{
ret.ParseCreateRelationship(new KeywordToken(scope, code.MovePeekedSpan(), "relationship"));
}
else if (word == "index")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "index"));
ret.ParseCreateIndex();
}
else if (word == "unique")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "unique"));
switch (code.PeekWordR())
{
case "index":
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "index"));
ret.ParseCreateIndex();
break;
case "primary":
case "nopick":
case "NOPICK":
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), word));
if (code.PeekWordR() == "index")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "index"));
ret.ParseCreateIndex();
}
break;
}
}
else if (word == "primary" || word == "NOPICK" || word == "nopick")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), word));
if (code.PeekWordR() == "index")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "index"));
ret.ParseCreateIndex();
}
}
else if (word == "stringdef")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "stringdef"));
ret.ParseCreateStringdef();
}
else if (word == "typedef")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "typedef"));
ret.ParseCreateTypedef();
}
else if (word == "time")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "time"));
if (code.ReadExactWholeWord("relationship"))
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "relationship"));
ret.ParseCreateTimeRelationship();
}
}
else if (word == "workspace")
{
ret.AddToken(new KeywordToken(scope, code.MovePeekedSpan(), "workspace"));
ret.ParseCreateWorkspace();
}
return(ret);
}