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28810
2019-04-25 12:49:20 +08:00
parent c3453dfadd
commit a8a1c36dd0
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表达式函数.md

@@ -135,6 +135,7 @@ FreeParse 是提供给外部的解析工具，它拥有 FreeSql 所有表达式
| - | - | - | - | - | - |
| string.Empty | '' | '' | '' | '' |
| string.IsNullOrEmpty(a) | (a is null or a = '') | (a is null or a = '') | (a is null or a = '') | (a is null or a = '') | (a is null or a = '') |
| string.Concat(a,b,c...) | concat(a, b, c) | a + b + c | a \|\| b \|\| c | a \|\| b \|\| c | a \|\| b \|\| c |
| a.CompareTo(b) | strcmp(a, b) | - | case when a = b then 0 when a > b then 1 else -1 end | case when a = b then 0 when a > b then 1 else -1 end | case when a = b then 0 when a > b then 1 else -1 end |
| a.Contains('b') | a like '%b%' | a like '%b%' | a ilike'%b%' | a like '%b%' | a like '%b%' |
| a.EndsWith('b') | a like '%b' | a like '%b' | a ilike'%b' | a like '%b' | a like '%b' |