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- 完善 $"{id}_{name}" lambda 解析与测试；

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This commit is contained in:
28810
2020-07-05 06:32:13 +08:00
parent 1d48f17f81
commit d61997d1b2
33 changed files with 442 additions and 35 deletions
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8
Providers/FreeSql.Provider.Dameng/DamengExpression.cs
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@ -77,7 +77,7 @@ namespace FreeSql.Dameng
case "NewGuid":
return null;
case "Next":
if (callExp.Object?.Type == typeof(Random)) return "cast(dbms_random.value*1000000000 as smallint)";
if (callExp.Object?.Type == typeof(Random)) return "cast(dbms_random.value*1000000000 as number)";
return null;
case "NextDouble":
if (callExp.Object?.Type == typeof(Random)) return "dbms_random.value";
@ -222,7 +222,7 @@ namespace FreeSql.Dameng
{
case "Days": return $"extract(day from {left})";
case "Hours": return $"extract(hour from {left})";
case "Milliseconds": return $"cast(substr(extract(second from {left})-floor(extract(second from {left})),2,3) as number)";
case "Milliseconds": return $"cast(substr(extract(second from {left})-floor(extract(second from {left})),3,3) as number)";
case "Minutes": return $"extract(minute from {left})";
case "Seconds": return $"floor(extract(second from {left}))";
case "Ticks": return $"(extract(day from {left})*86400+extract(hour from {left})*3600+extract(minute from {left})*60+extract(second from {left}))*10000000";
@ -250,6 +250,10 @@ namespace FreeSql.Dameng
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), null);
case "Format":
if (exp.Arguments[0].NodeType != ExpressionType.Constant) throw new Exception($"未实现函数表达式 {exp} 解析，参数 {exp.Arguments[0]} 必须为常量");
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"'||({ExpressionLambdaToSql(a, tsc)})||'").ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}
else