From 7c74b0e5be7074499ca6848ac8232f1e2a5c3de0 Mon Sep 17 00:00:00 2001 From: 2881099 <2881099@qq.com> Date: Fri, 27 Oct 2023 21:25:08 +0800 Subject: [PATCH] =?UTF-8?q?-=20=E4=BF=AE=E5=A4=8D=20Xugu=20=E8=A1=A8?= =?UTF-8?q?=E8=BE=BE=E5=BC=8F=E6=A0=91=E5=87=BD=E6=95=B0=E6=9C=89=E5=85=B3?= =?UTF-8?q?=E8=A7=A3=E6=9E=90=EF=BC=9B?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../FreeSql.Provider.Xugu/XuguExpression.cs | 406 +++++++----------- 1 file changed, 163 insertions(+), 243 deletions(-) diff --git a/Providers/FreeSql.Provider.Xugu/XuguExpression.cs b/Providers/FreeSql.Provider.Xugu/XuguExpression.cs index d29a17bc..176ece74 100644 --- a/Providers/FreeSql.Provider.Xugu/XuguExpression.cs +++ b/Providers/FreeSql.Provider.Xugu/XuguExpression.cs @@ -33,22 +33,25 @@ namespace FreeSql.Xugu { switch (exp.Type.NullableTypeOrThis().ToString()) { - case "System.Boolean": return $"(({getExp(operandExp)})::varchar not in ('0','false','f','no'))"; - case "System.Byte": return $"({getExp(operandExp)})::int2"; - case "System.Char": return $"substr(({getExp(operandExp)})::char, 1, 1)"; - case "System.DateTime": return ExpressionConstDateTime(operandExp) ?? $"({getExp(operandExp)})::timestamp"; - case "System.Decimal": return $"({getExp(operandExp)})::numeric"; - case "System.Double": return $"({getExp(operandExp)})::float8"; - case "System.Int16": return $"({getExp(operandExp)})::int2"; - case "System.Int32": return $"({getExp(operandExp)})::int4"; - case "System.Int64": return $"({getExp(operandExp)})::int8"; - case "System.SByte": return $"({getExp(operandExp)})::int2"; - case "System.Single": return $"({getExp(operandExp)})::float4"; - case "System.String": return $"({getExp(operandExp)})::text"; - case "System.UInt16": return $"({getExp(operandExp)})::int2"; - case "System.UInt32": return $"({getExp(operandExp)})::int4"; - case "System.UInt64": return $"({getExp(operandExp)})::int8"; - case "System.Guid": return $"({getExp(operandExp)})::uuid"; + case "System.Boolean": return $"(cast({getExp(operandExp)} as varchar) not in ('0','false'))"; + case "System.Byte": return $"cast({getExp(operandExp)} as tinyint)"; + case "System.Char": return $"substring(cast({getExp(operandExp)} as varchar),1,1)"; + case "System.DateTime": return ExpressionConstDateTime(operandExp) ?? $"cast({getExp(operandExp)} as datetime)"; + case "System.Decimal": return $"cast({getExp(operandExp)} as numeric(36,18))"; + case "System.Double": return $"cast({getExp(operandExp)} as numeric(32,16))"; + case "System.Int16": return $"cast({getExp(operandExp)} as smallint)"; + case "System.Int32": return $"cast({getExp(operandExp)} as int)"; + case "System.Int64": return $"cast({getExp(operandExp)} as bigint)"; + case "System.SByte": return $"cast({getExp(operandExp)} as tinyint)"; + case "System.Single": return $"cast({getExp(operandExp)} as numeric(14,7))"; + case "System.String": + return gentype == typeof(Guid) ? + $"cast({getExp(operandExp)} as char(36))" : + $"cast({getExp(operandExp)} as {(gentype.IsNumberType() || gentype.IsEnum ? "varchar(100)" : "text")})"; + case "System.UInt16": return $"cast({getExp(operandExp)} as smallint)"; + case "System.UInt32": return $"cast({getExp(operandExp)} as int)"; + case "System.UInt64": return $"cast({getExp(operandExp)} as numeric(20,0))"; + case "System.Guid": return $"cast({getExp(operandExp)} as char(36))"; } } break; @@ -61,27 +64,27 @@ namespace FreeSql.Xugu case "TryParse": switch (callExp.Method.DeclaringType.NullableTypeOrThis().ToString()) { - case "System.Boolean": return $"(({getExp(callExp.Arguments[0])})::varchar not in ('0','false','f','no'))"; - case "System.Byte": return $"({getExp(callExp.Arguments[0])})::int2"; - case "System.Char": return $"substr(({getExp(callExp.Arguments[0])})::char, 1, 1)"; - case "System.DateTime": return ExpressionConstDateTime(callExp.Arguments[0]) ?? $"({getExp(callExp.Arguments[0])})::timestamp"; - case "System.Decimal": return $"({getExp(callExp.Arguments[0])})::numeric"; - case "System.Double": return $"({getExp(callExp.Arguments[0])})::float8"; - case "System.Int16": return $"({getExp(callExp.Arguments[0])})::int2"; - case "System.Int32": return $"({getExp(callExp.Arguments[0])})::int4"; - case "System.Int64": return $"({getExp(callExp.Arguments[0])})::int8"; - case "System.SByte": return $"({getExp(callExp.Arguments[0])})::int2"; - case "System.Single": return $"({getExp(callExp.Arguments[0])})::float4"; - case "System.UInt16": return $"({getExp(callExp.Arguments[0])})::int2"; - case "System.UInt32": return $"({getExp(callExp.Arguments[0])})::int4"; - case "System.UInt64": return $"({getExp(callExp.Arguments[0])})::int8"; - case "System.Guid": return $"({getExp(callExp.Arguments[0])})::uuid"; + case "System.Boolean": return $"(cast({getExp(callExp.Arguments[0])} as varchar) not in ('0','false'))"; + case "System.Byte": return $"cast({getExp(callExp.Arguments[0])} as tinyint)"; + case "System.Char": return $"substring(cast({getExp(callExp.Arguments[0])} as varchar),1,1)"; + case "System.DateTime": return ExpressionConstDateTime(callExp.Arguments[0]) ?? $"cast({getExp(callExp.Arguments[0])} as datetime)"; + case "System.Decimal": return $"cast({getExp(callExp.Arguments[0])} as numeric(36,18))"; + case "System.Double": return $"cast({getExp(callExp.Arguments[0])} as numeric(32,16))"; + case "System.Int16": return $"cast({getExp(callExp.Arguments[0])} as smallint)"; + case "System.Int32": return $"cast({getExp(callExp.Arguments[0])} as int)"; + case "System.Int64": return $"cast({getExp(callExp.Arguments[0])} as bigint)"; + case "System.SByte": return $"cast({getExp(callExp.Arguments[0])} as tinyint)"; + case "System.Single": return $"cast({getExp(callExp.Arguments[0])} as numeric(14,7))"; + case "System.UInt16": return $"cast({getExp(callExp.Arguments[0])} as smallint)"; + case "System.UInt32": return $"cast({getExp(callExp.Arguments[0])} as int)"; + case "System.UInt64": return $"cast({getExp(callExp.Arguments[0])} as numeric(20,0))"; + case "System.Guid": return $"cast({getExp(callExp.Arguments[0])} as char(36))"; } break; case "NewGuid": return null; case "Next": - if (callExp.Object?.Type == typeof(Random)) return "(random()*1000000000)::int4"; + if (callExp.Object?.Type == typeof(Random)) return "cast(random()*1000000000 as int)"; return null; case "NextDouble": if (callExp.Object?.Type == typeof(Random)) return "random()"; @@ -100,7 +103,7 @@ namespace FreeSql.Xugu tsc.SetMapColumnTmp(null).SetMapTypeReturnOld(oldMapType); return enumStr; } - return callExp.Arguments.Count == 0 ? $"({getExp(callExp.Object)})::text" : null; + return callExp.Arguments.Count == 0 ? $"cast({getExp(callExp.Object)} as text)" : null; } return null; } @@ -129,97 +132,21 @@ namespace FreeSql.Xugu if (objType == null) objType = callExp.Method.DeclaringType; if (objType != null || objType.IsArrayOrList()) { - string left = null; - switch (objType.FullName) - { - case "Newtonsoft.Json.Linq.JToken": - case "Newtonsoft.Json.Linq.JObject": - case "Newtonsoft.Json.Linq.JArray": - left = objExp == null ? null : getExp(objExp); - switch (callExp.Method.Name) - { - case "get_Item": return $"{left}->{getExp(callExp.Arguments[argIndex])}"; - case "Any": return $"(jsonb_array_length(coalesce({left},'[]')) > 0)"; - case "Contains": - var json = getExp(callExp.Arguments[argIndex]); - if (objType == typeof(JArray)) - return $"(coalesce({left},'[]') ? ({json})::text)"; - if (json.StartsWith("'") && json.EndsWith("'")) - return $"(coalesce({left},'{{}}') @> {_common.FormatSql("{0}", JToken.Parse(json.Trim('\'')))})"; - return $"(coalesce({left},'{{}}') @> ({json})::jsonb)"; - case "ContainsKey": return $"(coalesce({left},'{{}}') ? {getExp(callExp.Arguments[argIndex])})"; - case "Concat": - var right2 = getExp(callExp.Arguments[argIndex]); - return $"(coalesce({left},'{{}}') || {right2})"; - case "LongCount": - case "Count": return $"jsonb_array_length(coalesce({left},'[]'))"; - case "Parse": - var json2 = getExp(callExp.Arguments[argIndex]); - if (json2.StartsWith("'") && json2.EndsWith("'")) return _common.FormatSql("{0}", JToken.Parse(json2.Trim('\''))); - return $"({json2})::jsonb"; - } - break; - } - if (objType == typeof(Dictionary)) - { - left = objExp == null ? null : getExp(objExp); - switch (callExp.Method.Name) - { - case "get_Item": return $"{left}->{getExp(callExp.Arguments[argIndex])}"; - case "Contains": - var right = getExp(callExp.Arguments[argIndex]); - return $"({left} @> ({right}))"; - case "ContainsKey": return $"({left} ? {getExp(callExp.Arguments[argIndex])})"; - case "Concat": return $"({left} || {getExp(callExp.Arguments[argIndex])})"; - case "GetLength": - case "GetLongLength": - case "Count": return $"case when {left} is null then 0 else array_length(akeys({left}),1) end"; - case "Keys": return $"akeys({left})"; - case "Values": return $"avals({left})"; - } - } + if (argIndex >= callExp.Arguments.Count) break; + tsc.SetMapColumnTmp(null); + var args1 = getExp(callExp.Arguments[argIndex]); + var oldMapType = tsc.SetMapTypeReturnOld(tsc.mapTypeTmp); + var oldDbParams = objExp?.NodeType == ExpressionType.MemberAccess ? tsc.SetDbParamsReturnOld(null) : null; //#900 UseGenerateCommandParameterWithLambda(true) 子查询 bug、以及 #1173 参数化 bug + tsc.isNotSetMapColumnTmp = true; + var left = objExp == null ? null : getExp(objExp); + tsc.isNotSetMapColumnTmp = false; + tsc.SetMapColumnTmp(null).SetMapTypeReturnOld(oldMapType); + if (oldDbParams != null) tsc.SetDbParamsReturnOld(oldDbParams); switch (callExp.Method.Name) { - case "Any": - left = objExp == null ? null : getExp(objExp); - if (left.StartsWith("(") || left.EndsWith(")")) left = $"array[{left.TrimStart('(').TrimEnd(')')}]"; - return $"(case when {left} is null then 0 else array_length({left},1) end > 0)"; case "Contains": - tsc.SetMapColumnTmp(null); - var args1 = getExp(callExp.Arguments[argIndex]); - var oldMapType = tsc.SetMapTypeReturnOld(tsc.mapTypeTmp); - var oldDbParams = objExp?.NodeType == ExpressionType.MemberAccess ? tsc.SetDbParamsReturnOld(null) : null; //#900 UseGenerateCommandParameterWithLambda(true) 子查询 bug、以及 #1173 参数化 bug - tsc.isNotSetMapColumnTmp = true; - left = objExp == null ? null : getExp(objExp); - tsc.isNotSetMapColumnTmp = false; - tsc.SetMapColumnTmp(null).SetMapTypeReturnOld(oldMapType); - if (oldDbParams != null) tsc.SetDbParamsReturnOld(oldDbParams); - //判断 in 或 array @> array - if (left.StartsWith("array[") || left.EndsWith("]")) - return $"({args1}) in ({left.Substring(6, left.Length - 7)})"; - if (left.StartsWith("(") || left.EndsWith(")")) //在各大 Provider AdoProvider 中已约定，500元素分割, 3空格\r\n4空格 - return $"(({args1}) in {left.Replace(", \r\n \r\n", $") \r\n OR ({args1}) in (")})"; - if (args1.StartsWith("(") || args1.EndsWith(")")) args1 = $"array[{args1.TrimStart('(').TrimEnd(')')}]"; - args1 = $"array[{args1}]"; - if (objExp != null) - { - var dbinfo = _common._orm.CodeFirst.GetDbInfo(objExp.Type); - if (dbinfo != null) args1 = $"{args1}::{dbinfo.dbtype}"; - } - return $"({left} @> {args1})"; - case "Concat": - left = objExp == null ? null : getExp(objExp); - if (left.StartsWith("(") || left.EndsWith(")")) left = $"array[{left.TrimStart('(').TrimEnd(')')}]"; - var right2 = getExp(callExp.Arguments[argIndex]); - if (right2.StartsWith("(") || right2.EndsWith(")")) right2 = $"array[{right2.TrimStart('(').TrimEnd(')')}]"; - return $"({left} || {right2})"; - case "GetLength": - case "GetLongLength": - case "Length": - case "Count": - left = objExp == null ? null : getExp(objExp); - if (left.StartsWith("(") || left.EndsWith(")")) left = $"array[{left.TrimStart('(').TrimEnd(')')}]"; - return $"case when {left} is null then 0 else array_length({left},1) end"; + //判断 in //在各大 Provider AdoProvider 中已约定，500元素分割, 3空格\r\n4空格 + return $"(({args1}) in {left.Replace(", \r\n \r\n", $") \r\n OR ({args1}) in (")})"; } } break; @@ -324,27 +251,27 @@ namespace FreeSql.Xugu { case "Now": return _common.Now; case "UtcNow": return _common.NowUtc; - case "Today": return "current_date"; - case "MinValue": return "'0001/1/1 0:00:00'::timestamp"; - case "MaxValue": return "'9999/12/31 23:59:59'::timestamp"; + case "Today": return "convert(char(10),getdate(),120)"; + case "MinValue": return "'1753/1/1 0:00:00'"; + case "MaxValue": return "'9999/12/31 23:59:59'"; } return null; } var left = ExpressionLambdaToSql(exp.Expression, tsc); switch (exp.Member.Name) { - case "Date": return $"({left})::date"; - case "TimeOfDay": return $"(extract(epoch from ({left})::time)*1000000)"; - case "DayOfWeek": return $"extract(dow from ({left})::timestamp)"; - case "Day": return $"extract(day from ({left})::timestamp)"; - case "DayOfYear": return $"extract(doy from ({left})::timestamp)"; - case "Month": return $"extract(month from ({left})::timestamp)"; - case "Year": return $"extract(year from ({left})::timestamp)"; - case "Hour": return $"extract(hour from ({left})::timestamp)"; - case "Minute": return $"extract(minute from ({left})::timestamp)"; - case "Second": return $"extract(second from ({left})::timestamp)"; - case "Millisecond": return $"(extract(milliseconds from ({left})::timestamp)-extract(second from ({left})::timestamp)*1000)"; - case "Ticks": return $"(extract(epoch from ({left})::timestamp)*10000000+621355968000000000)"; + case "Date": return $"convert(char(10),{left},120)"; + case "TimeOfDay": return $"datediff(second, convert(char(10),{left},120), {left})"; + case "DayOfWeek": return $"(datepart(weekday, {left})-1)"; + case "Day": return $"datepart(day, {left})"; + case "DayOfYear": return $"datepart(dayofyear, {left})"; + case "Month": return $"datepart(month, {left})"; + case "Year": return $"datepart(year, {left})"; + case "Hour": return $"datepart(hour, {left})"; + case "Minute": return $"datepart(minute, {left})"; + case "Second": return $"datepart(second, {left})"; + case "Millisecond": return $"(datepart(millisecond, {left})/1000)"; + case "Ticks": return $"(cast(datediff(second, '1970-1-1', {left}) as bigint)*10000000+621355968000000000)"; } return null; } @@ -363,17 +290,17 @@ namespace FreeSql.Xugu var left = ExpressionLambdaToSql(exp.Expression, tsc); switch (exp.Member.Name) { - case "Days": return $"floor(({left})/{(long)1000000 * 60 * 60 * 24})"; - case "Hours": return $"floor(({left})/{(long)1000000 * 60 * 60}%24)"; - case "Milliseconds": return $"(floor(({left})/1000)::int8%1000)"; - case "Minutes": return $"(floor(({left})/{(long)1000000 * 60})::int8%60)"; - case "Seconds": return $"(floor(({left})/1000000)::int8%60)"; - case "Ticks": return $"(({left})*10)"; - case "TotalDays": return $"(({left})/{(long)1000000 * 60 * 60 * 24})"; - case "TotalHours": return $"(({left})/{(long)1000000 * 60 * 60})"; - case "TotalMilliseconds": return $"(({left})/1000)"; - case "TotalMinutes": return $"(({left})/{(long)1000000 * 60})"; - case "TotalSeconds": return $"(({left})/1000000)"; + case "Days": return $"floor(({left})/{60 * 60 * 24})"; + case "Hours": return $"floor(({left})/{60 * 60}%24)"; + case "Milliseconds": return $"(cast({left} as bigint)*1000)"; + case "Minutes": return $"floor(({left})/60%60)"; + case "Seconds": return $"(({left})%60)"; + case "Ticks": return $"(cast({left} as bigint)*10000000)"; + case "TotalDays": return $"(({left})/{60 * 60 * 24})"; + case "TotalHours": return $"(({left})/{60 * 60})"; + case "TotalMilliseconds": return $"(cast({left} as bigint)*1000)"; + case "TotalMinutes": return $"(({left})/60)"; + case "TotalSeconds": return $"({left})"; } return null; } @@ -403,7 +330,7 @@ namespace FreeSql.Xugu { var atype = (a as UnaryExpression)?.Operand.Type.NullableTypeOrThis() ?? a.Type.NullableTypeOrThis(); if (atype == typeof(string)) return $"'||{_common.IsNull(ExpressionLambdaToSql(a, tsc), "''")}||'"; - return $"'||{_common.IsNull($"({ExpressionLambdaToSql(a, tsc)})::text", "''")}||'"; + return $"'||{_common.IsNull($"cast({ExpressionLambdaToSql(a, tsc)} text)", "''")}||'"; }).ToArray(); return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs); case "Join": @@ -444,10 +371,10 @@ namespace FreeSql.Xugu if (exp.Arguments[1].Type == typeof(bool) || exp.Arguments[1].Type == typeof(StringComparison)) likeOpt = "ILIKE"; } - if (exp.Method.Name == "StartsWith") return $"({left}) {likeOpt} {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"(({args0Value})::text || '%')")}"; - if (exp.Method.Name == "EndsWith") return $"({left}) {likeOpt} {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"('%' || ({args0Value})::text)")}"; + if (exp.Method.Name == "StartsWith") return $"({left}) {likeOpt} {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"(cast({args0Value} as text) || '%')")}"; + if (exp.Method.Name == "EndsWith") return $"({left}) {likeOpt} {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"('%' || cast({args0Value} as text))")}"; if (args0Value.StartsWith("'") && args0Value.EndsWith("'")) return $"({left}) {likeOpt} {args0Value.Insert(1, "%").Insert(args0Value.Length, "%")}"; - return $"({left}) {likeOpt} ('%' || ({args0Value})::text || '%')"; + return $"({left}) {likeOpt} ('%' || cast({args0Value} as text) || '%')"; case "ToLower": return $"lower({left})"; case "ToUpper": return $"upper({left})"; case "Substring": @@ -495,7 +422,7 @@ namespace FreeSql.Xugu return left; case "Replace": return $"replace({left}, {getExp(exp.Arguments[0])}, {getExp(exp.Arguments[1])})"; case "CompareTo": return $"case when {left} = {getExp(exp.Arguments[0])} then 0 when {left} > {getExp(exp.Arguments[0])} then 1 else -1 end"; - case "Equals": return $"({left} = ({getExp(exp.Arguments[0])})::text)"; + case "Equals": return $"({left} = cast({getExp(exp.Arguments[0])} text))"; } } return null; @@ -535,18 +462,18 @@ namespace FreeSql.Xugu { switch (exp.Method.Name) { - case "Compare": return $"extract(epoch from ({getExp(exp.Arguments[0])})::timestamp-({getExp(exp.Arguments[1])})::timestamp)"; - case "DaysInMonth": return $"extract(day from ({getExp(exp.Arguments[0])} || '-' || {getExp(exp.Arguments[1])} || '-01')::timestamp+'1 month'::interval-'1 day'::interval)"; - case "Equals": return $"(({getExp(exp.Arguments[0])})::timestamp = ({getExp(exp.Arguments[1])})::timestamp)"; + case "Compare": return $"({getExp(exp.Arguments[0])} - ({getExp(exp.Arguments[1])}))"; + case "DaysInMonth": return $"datepart(day, dateadd(day, -1, dateadd(month, 1, cast({getExp(exp.Arguments[0])} as varchar(100)) + '-' + cast({getExp(exp.Arguments[1])} as varchar(100)) + '-1')))"; + case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})"; case "IsLeapYear": var isLeapYearArgs1 = getExp(exp.Arguments[0]); - return $"(({isLeapYearArgs1})::int8%4=0 AND ({isLeapYearArgs1})::int8%100<>0 OR ({isLeapYearArgs1})::int8%400=0)"; + return $"(({isLeapYearArgs1})%4=0 AND ({isLeapYearArgs1})%100<>0 OR ({isLeapYearArgs1})%400=0)"; - case "Parse": return ExpressionConstDateTime(exp.Arguments[0]) ?? $"({getExp(exp.Arguments[0])})::timestamp"; + case "Parse": return ExpressionConstDateTime(exp.Arguments[0]) ?? $"cast({getExp(exp.Arguments[0])} as datetime)"; case "ParseExact": case "TryParse": - case "TryParseExact": return ExpressionConstDateTime(exp.Arguments[0]) ?? $"({getExp(exp.Arguments[0])})::timestamp"; + case "TryParseExact": return ExpressionConstDateTime(exp.Arguments[0]) ?? $"cast({getExp(exp.Arguments[0])} as datetime)"; } } else @@ -555,81 +482,70 @@ namespace FreeSql.Xugu var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]); switch (exp.Method.Name) { - case "Add": return $"(({left})::timestamp+((({args1})/1000)||' milliseconds')::interval)"; - case "AddDays": return $"(({left})::timestamp+(({args1})||' day')::interval)"; - case "AddHours": return $"(({left})::timestamp+(({args1})||' hour')::interval)"; - case "AddMilliseconds": return $"(({left})::timestamp+(({args1})||' milliseconds')::interval)"; - case "AddMinutes": return $"(({left})::timestamp+(({args1})||' minute')::interval)"; - case "AddMonths": return $"(({left})::timestamp+(({args1})||' month')::interval)"; - case "AddSeconds": return $"(({left})::timestamp+(({args1})||' second')::interval)"; - case "AddTicks": return $"(({left})::timestamp+(({args1})/10||' microseconds')::interval)"; - case "AddYears": return $"(({left})::timestamp+(({args1})||' year')::interval)"; + case "Add": return $"dateadd(second, {args1}, {left})"; + case "AddDays": return $"dateadd(day, {args1}, {left})"; + case "AddHours": return $"dateadd(hour, {args1}, {left})"; + case "AddMilliseconds": return $"dateadd(second, ({args1})/1000, {left})"; + case "AddMinutes": return $"dateadd(minute, {args1}, {left})"; + case "AddMonths": return $"dateadd(month, {args1}, {left})"; + case "AddSeconds": return $"dateadd(second, {args1}, {left})"; + case "AddTicks": return $"dateadd(second, ({args1})/10000000, {left})"; + case "AddYears": return $"dateadd(year, {args1}, {left})"; case "Subtract": switch ((exp.Arguments[0].Type.IsNullableType() ? exp.Arguments[0].Type.GetGenericArguments().FirstOrDefault() : exp.Arguments[0].Type).FullName) { - case "System.DateTime": return $"(extract(epoch from ({left})::timestamp-({args1})::timestamp)*1000000)"; - case "System.TimeSpan": return $"(({left})::timestamp-((({args1})/1000)||' milliseconds')::interval)"; + case "System.DateTime": return $"datediff(second, {args1}, {left})"; + case "System.TimeSpan": return $"dateadd(second, ({args1})*-1, {left})"; } break; - case "Equals": return $"({left} = ({args1})::timestamp)"; - case "CompareTo": return $"extract(epoch from ({left})::timestamp-({args1})::timestamp)"; + case "Equals": return $"({left} = {args1})"; + case "CompareTo": return $"datediff(second,{args1},{left})"; case "ToString": - if (left.EndsWith("::timestamp") == false) left = $"({left})::timestamp"; - if (exp.Arguments.Count == 0) return $"to_char({left},'YYYY-MM-DD HH24:MI:SS.US')"; - switch (args1) + if (left.EndsWith(" as datetime)") == false) left = $"cast({left} as datetime)"; + if (exp.Arguments.Count == 0) return $"convert(varchar, {left}, 121)"; + switch (args1.TrimStart('N')) { - case "'yyyy-MM-dd HH:mm:ss'": return $"to_char({left},'YYYY-MM-DD HH24:MI:SS')"; - case "'yyyy-MM-dd HH:mm'": return $"to_char({left},'YYYY-MM-DD HH24:MI')"; - case "'yyyy-MM-dd HH'": return $"to_char({left},'YYYY-MM-DD HH24')"; - case "'yyyy-MM-dd'": return $"to_char({left},'YYYY-MM-DD')"; - case "'yyyy-MM'": return $"to_char({left},'YYYY-MM')"; - case "'yyyyMMddHHmmss'": return $"to_char({left},'YYYYMMDDHH24MISS')"; - case "'yyyyMMddHHmm'": return $"to_char({left},'YYYYMMDDHH24MI')"; - case "'yyyyMMddHH'": return $"to_char({left},'YYYYMMDDHH24')"; - case "'yyyyMMdd'": return $"to_char({left},'YYYYMMDD')"; - case "'yyyyMM'": return $"to_char({left},'YYYYMM')"; - case "'yyyy'": return $"to_char({left},'YYYY')"; - case "'HH:mm:ss'": return $"to_char({left},'HH24:MI:SS')"; + case "'yyyy-MM-dd HH:mm:ss'": return $"convert(char(19), {left}, 120)"; + case "'yyyy-MM-dd HH:mm'": return $"substring(convert(char(19), {left}, 120), 1, 16)"; + case "'yyyy-MM-dd HH'": return $"substring(convert(char(19), {left}, 120), 1, 13)"; + case "'yyyy-MM-dd'": return $"convert(char(10), {left}, 23)"; + case "'yyyy-MM'": return $"substring(convert(char(10), {left}, 23), 1, 7)"; + case "'yyyyMMdd'": return $"convert(char(8), {left}, 112)"; + case "'yyyyMM'": return $"substring(convert(char(8), {left}, 112), 1, 6)"; + case "'yyyy'": return $"substring(convert(char(8), {left}, 112), 1, 4)"; + case "'HH:mm:ss'": return $"convert(char(8), {left}, 24)"; } - args1 = Regex.Replace(args1, "(yyyy|yy|MM|dd|HH|hh|mm|ss|tt)", m => + var isMatched = false; + var nchar = args1.StartsWith("N'") ? "N" : ""; + args1 = Regex.Replace(args1, "(yyyy|yy|MM|M|dd|d|HH|H|hh|h|mm|m|ss|s|tt|t)", m => { + isMatched = true; switch (m.Groups[1].Value) { - case "yyyy": return $"YYYY"; - case "yy": return $"YY"; - case "MM": return $"%_a1"; - case "dd": return $"%_a2"; - case "HH": return $"%_a3"; - case "hh": return $"%_a4"; - case "mm": return $"%_a5"; - case "ss": return $"SS"; - case "tt": return $"%_a6"; + case "yyyy": return $"' + substring(convert(char(8), {left}, 112), 1, 4) + {nchar}'"; + case "yy": return $"' + substring(convert(char(6), {left}, 12), 1, 2) + {nchar}'"; + case "MM": return $"' + substring(convert(char(6), {left}, 12), 3, 2) + {nchar}'"; + case "M": return $"' + case when substring(convert(char(6), {left}, 12), 3, 1) = '0' then substring(convert(char(6), {left}, 12), 4, 1) else substring(convert(char(6), {left}, 12), 3, 2) end + {nchar}'"; + case "dd": return $"' + substring(convert(char(6), {left}, 12), 5, 2) + {nchar}'"; + case "d": return $"' + case when substring(convert(char(6), {left}, 12), 5, 1) = '0' then substring(convert(char(6), {left}, 12), 6, 1) else substring(convert(char(6), {left}, 12), 5, 2) end + {nchar}'"; + case "HH": return $"' + substring(convert(char(8), {left}, 24), 1, 2) + {nchar}'"; + case "H": return $"' + case when substring(convert(char(8), {left}, 24), 1, 1) = '0' then substring(convert(char(8), {left}, 24), 2, 1) else substring(convert(char(8), {left}, 24), 1, 2) end + {nchar}'"; + case "hh": + return $"' + case cast(case when substring(convert(char(8), {left}, 24), 1, 1) = '0' then substring(convert(char(8), {left}, 24), 2, 1) else substring(convert(char(8), {left}, 24), 1, 2) end as int) % 12" + + $"when 0 then '12' when 1 then '01' when 2 then '02' when 3 then '03' when 4 then '04' when 5 then '05' when 6 then '06' when 7 then '07' when 8 then '08' when 9 then '09' when 10 then '10' when 11 then '11' end + {nchar}'"; + case "h": + return $"' + case cast(case when substring(convert(char(8), {left}, 24), 1, 1) = '0' then substring(convert(char(8), {left}, 24), 2, 1) else substring(convert(char(8), {left}, 24), 1, 2) end as int) % 12" + + $"when 0 then '12' when 1 then '1' when 2 then '2' when 3 then '3' when 4 then '4' when 5 then '5' when 6 then '6' when 7 then '7' when 8 then '8' when 9 then '9' when 10 then '10' when 11 then '11' end + {nchar}'"; + case "mm": return $"' + substring(convert(char(8), {left}, 24), 4, 2) + {nchar}'"; + case "m": return $"' + case when substring(convert(char(8), {left}, 24), 4, 1) = '0' then substring(convert(char(8), {left}, 24), 5, 1) else substring(convert(char(8), {left}, 24), 4, 2) end + {nchar}'"; + case "ss": return $"' + substring(convert(char(8), {left}, 24), 7, 2) + {nchar}'"; + case "s": return $"' + case when substring(convert(char(8), {left}, 24), 7, 1) = '0' then substring(convert(char(8), {left}, 24), 8, 1) else substring(convert(char(8), {left}, 24), 7, 2) end + {nchar}'"; + case "tt": return $"' + case when cast(case when substring(convert(char(8), {left}, 24), 1, 1) = '0' then substring(convert(char(8), {left}, 24), 2, 1) else substring(convert(char(8), {left}, 24), 1, 2) end as int) >= 12 then 'PM' else 'AM' end + {nchar}'"; + case "t": return $"' + case when cast(case when substring(convert(char(8), {left}, 24), 1, 1) = '0' then substring(convert(char(8), {left}, 24), 2, 1) else substring(convert(char(8), {left}, 24), 1, 2) end as int) >= 12 then 'P' else 'A' end + {nchar}'"; } return m.Groups[0].Value; }); - var argsFinds = new[] { "YYYY", "YY", "%_a1", "%_a2", "%_a3", "%_a4", "%_a5", "SS", "%_a6" }; - var argsSpts = Regex.Split(args1, "(M|d|H|h|m|s|t)"); - for (var a = 0; a < argsSpts.Length; a++) - { - switch (argsSpts[a]) - { - case "M": argsSpts[a] = $"ltrim(to_char({left},'MM'),'0')"; break; - case "d": argsSpts[a] = $"case when substr(to_char({left},'DD'),1,1) = '0' then substr(to_char({left},'DD'),2,1) else to_char({left},'DD') end"; break; - case "H": argsSpts[a] = $"case when substr(to_char({left},'HH24'),1,1) = '0' then substr(to_char({left},'HH24'),2,1) else to_char({left},'HH24') end"; break; - case "h": argsSpts[a] = $"case when substr(to_char({left},'HH12'),1,1) = '0' then substr(to_char({left},'HH12'),2,1) else to_char({left},'HH12') end"; break; - case "m": argsSpts[a] = $"case when substr(to_char({left},'MI'),1,1) = '0' then substr(to_char({left},'MI'),2,1) else to_char({left},'MI') end"; break; - case "s": argsSpts[a] = $"case when substr(to_char({left},'SS'),1,1) = '0' then substr(to_char({left},'SS'),2,1) else to_char({left},'SS') end"; break; - case "t": argsSpts[a] = $"rtrim(to_char({left},'AM'),'M')"; break; - default: - var argsSptsA = argsSpts[a]; - if (argsSptsA.StartsWith("'")) argsSptsA = argsSptsA.Substring(1); - if (argsSptsA.EndsWith("'")) argsSptsA = argsSptsA.Remove(argsSptsA.Length - 1); - argsSpts[a] = argsFinds.Any(m => argsSptsA.Contains(m)) ? $"to_char({left},'{argsSptsA}')" : $"'{argsSptsA}'"; - break; - } - } - if (argsSpts.Length > 0) args1 = $"({string.Join(" || ", argsSpts.Where(a => a != "''"))})"; - return args1.Replace("%_a1", "MM").Replace("%_a2", "DD").Replace("%_a3", "HH24").Replace("%_a4", "HH12").Replace("%_a5", "MI").Replace("%_a6", "AM"); + return isMatched == false ? args1 : $"({args1})"; } } return null; @@ -643,16 +559,16 @@ namespace FreeSql.Xugu { case "Compare": return $"({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])}))"; case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})"; - case "FromDays": return $"(({getExp(exp.Arguments[0])})*{(long)1000000 * 60 * 60 * 24})"; - case "FromHours": return $"(({getExp(exp.Arguments[0])})*{(long)1000000 * 60 * 60})"; - case "FromMilliseconds": return $"(({getExp(exp.Arguments[0])})*1000)"; - case "FromMinutes": return $"(({getExp(exp.Arguments[0])})*{(long)1000000 * 60})"; - case "FromSeconds": return $"(({getExp(exp.Arguments[0])})*1000000)"; - case "FromTicks": return $"(({getExp(exp.Arguments[0])})/10)"; - case "Parse": return $"({getExp(exp.Arguments[0])})::int8"; + case "FromDays": return $"(({getExp(exp.Arguments[0])})*{60 * 60 * 24})"; + case "FromHours": return $"(({getExp(exp.Arguments[0])})*{60 * 60})"; + case "FromMilliseconds": return $"(({getExp(exp.Arguments[0])})/1000)"; + case "FromMinutes": return $"(({getExp(exp.Arguments[0])})*60)"; + case "FromSeconds": return $"({getExp(exp.Arguments[0])})"; + case "FromTicks": return $"(({getExp(exp.Arguments[0])})/10000000)"; + case "Parse": return $"cast({getExp(exp.Arguments[0])} as bigint)"; case "ParseExact": case "TryParse": - case "TryParseExact": return $"({getExp(exp.Arguments[0])})::int8"; + case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as bigint)"; } } else @@ -665,7 +581,7 @@ namespace FreeSql.Xugu case "Subtract": return $"({left}-({args1}))"; case "Equals": return $"({left} = {args1})"; case "CompareTo": return $"({left}-({args1}))"; - case "ToString": return $"({left})::varchar"; + case "ToString": return $"cast({left} as varchar(100))"; } } return null; @@ -677,21 +593,25 @@ namespace FreeSql.Xugu { switch (exp.Method.Name) { - case "ToBoolean": return $"(({getExp(exp.Arguments[0])})::varchar not in ('0','false','f','no'))"; - case "ToByte": return $"({getExp(exp.Arguments[0])})::int2"; - case "ToChar": return $"substr(({getExp(exp.Arguments[0])})::char, 1, 1)"; - case "ToDateTime": return ExpressionConstDateTime(exp.Arguments[0]) ?? $"({getExp(exp.Arguments[0])})::timestamp"; - case "ToDecimal": return $"({getExp(exp.Arguments[0])})::numeric"; - case "ToDouble": return $"({getExp(exp.Arguments[0])})::float8"; - case "ToInt16": return $"({getExp(exp.Arguments[0])})::int2"; - case "ToInt32": return $"({getExp(exp.Arguments[0])})::int4"; - case "ToInt64": return $"({getExp(exp.Arguments[0])})::int8"; - case "ToSByte": return $"({getExp(exp.Arguments[0])})::int2"; - case "ToSingle": return $"({getExp(exp.Arguments[0])})::float4"; - case "ToString": return $"({getExp(exp.Arguments[0])})::text"; - case "ToUInt16": return $"({getExp(exp.Arguments[0])})::int2"; - case "ToUInt32": return $"({getExp(exp.Arguments[0])})::int4"; - case "ToUInt64": return $"({getExp(exp.Arguments[0])})::int8"; + case "ToBoolean": return $"(cast({getExp(exp.Arguments[0])} as varchar) not in ('0','false'))"; + case "ToByte": return $"cast({getExp(exp.Arguments[0])} as tinyint)"; + case "ToChar": return $"substring(cast({getExp(exp.Arguments[0])} as varchar),1,1)"; + case "ToDateTime": return ExpressionConstDateTime(exp.Arguments[0]) ?? $"cast({getExp(exp.Arguments[0])} as datetime)"; + case "ToDecimal": return $"cast({getExp(exp.Arguments[0])} as numeric(36,18))"; + case "ToDouble": return $"cast({getExp(exp.Arguments[0])} as numeric(32,16))"; + case "ToInt16": return $"cast({getExp(exp.Arguments[0])} as smallint)"; + case "ToInt32": return $"cast({getExp(exp.Arguments[0])} as int)"; + case "ToInt64": return $"cast({getExp(exp.Arguments[0])} as bigint)"; + case "ToSByte": return $"cast({getExp(exp.Arguments[0])} as tinyint)"; + case "ToSingle": return $"cast({getExp(exp.Arguments[0])} as numeric(14,7))"; + case "ToString": + var gentype = exp.Arguments[0].Type.NullableTypeOrThis(); + return gentype == typeof(Guid) ? + $"cast({getExp(exp.Arguments[0])} as char(36))" : + $"cast({getExp(exp.Arguments[0])} as {(gentype.IsNumberType() || gentype.IsEnum ? "varchar(100)" : "text")})"; + case "ToUInt16": return $"cast({getExp(exp.Arguments[0])} as smallint)"; + case "ToUInt32": return $"cast({getExp(exp.Arguments[0])} as int)"; + case "ToUInt64": return $"cast({getExp(exp.Arguments[0])} as numeric(20,0))"; } } return null;