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- 优化 LIKE 表达式解析 #1870； - 移除 OdbcDameng/OdbcKingbaseES；

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2881099
2024-08-09 20:35:06 +08:00
parent 60b5ed56b8
commit 040f9bdabe
116 changed files with 162 additions and 25246 deletions
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5
Providers/FreeSql.Provider.ClickHouse/ClickHouseExpression.cs
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@ -331,10 +331,11 @@ namespace FreeSql.ClickHouse
case "StartsWith":
case "EndsWith":
case "Contains":
var leftLike = exp.Object.NodeType == ExpressionType.MemberAccess ? left : $"({left})";
var args0Value = getExp(exp.Arguments[0]);
if (args0Value == "NULL") return $"({left}) IS NULL";
if (args0Value == "NULL") return $"{leftLike} IS NULL";
if (exp.Method.Name == "StartsWith") return $"positionCaseInsensitive({left}, {args0Value}) = 1";
if (exp.Method.Name == "EndsWith") return $"({left}) LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"concat('%', {args0Value})")}";
if (exp.Method.Name == "EndsWith") return $"{leftLike} LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"concat('%', {args0Value})")}";
return $"positionCaseInsensitive({left}, {args0Value}) > 0";
case "ToLower": return $"lower({left})";
case "ToUpper": return $"upper({left})";