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added fallback handling when both contains operands are table columns

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This commit is contained in:
Gani Georgiev 2022-09-29 12:33:53 +03:00
parent b84930f21a
commit 93d48a85ac
2 changed files with 40 additions and 0 deletions
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12
tools/search/filter.go
View File

@ -103,16 +103,28 @@ func (f FilterData) resolveTokenizedExpr(expr fexpr.Expr, fieldResolver FieldRes
case fexpr.SignNeq:
return dbx.NewExp(fmt.Sprintf("COALESCE(%s, '') != COALESCE(%s, '')", lName, rName), params), nil
case fexpr.SignLike:
// both sides are columns and therefore wrap the right side with "%" for contains like behavior
if len(params) == 0 {
return dbx.NewExp(fmt.Sprintf("%s LIKE ('%%' || %s || '%%')", lName, rName), params), nil
}
// normalize operands and switch sides if the left operand is a number or text
if len(lParams) > 0 {
return dbx.NewExp(fmt.Sprintf("%s LIKE %s", rName, lName), f.normalizeLikeParams(params)), nil
}
return dbx.NewExp(fmt.Sprintf("%s LIKE %s", lName, rName), f.normalizeLikeParams(params)), nil
case fexpr.SignNlike:
// both sides are columns and therefore wrap the right side with "%" for not-contains like behavior
if len(params) == 0 {
return dbx.NewExp(fmt.Sprintf("%s NOT LIKE ('%%' || %s || '%%')", lName, rName), params), nil
}
// normalize operands and switch sides if the left operand is a number or text
if len(lParams) > 0 {
return dbx.NewExp(fmt.Sprintf("%s NOT LIKE %s", rName, lName), f.normalizeLikeParams(params)), nil
}
return dbx.NewExp(fmt.Sprintf("%s NOT LIKE %s", lName, rName), f.normalizeLikeParams(params)), nil
case fexpr.SignLt:
return dbx.NewExp(fmt.Sprintf("%s < %s", lName, rName), params), nil

28
tools/search/filter_test.go
View File

@ -32,6 +32,34 @@ func TestFilterDataBuildExpr(t *testing.T) {
regexp.QuoteMeta("}") +
"$",
},
// like with 2 columns
{"test1 ~ test2", false,
"^" +
regexp.QuoteMeta("[[test1]] LIKE ('%' || [[test2]] || '%')") +
"$",
},
// reversed like with text
{"'lorem' ~ test1", false,
"^" +
regexp.QuoteMeta("[[test1]] LIKE {:") +
".+" +
regexp.QuoteMeta("}") +
"$",
},
// not like with 2 columns
{"test1 !~ test2", false,
"^" +
regexp.QuoteMeta("[[test1]] NOT LIKE ('%' || [[test2]] || '%')") +
"$",
},
// reversed not like with text
{"'lorem' !~ test1", false,
"^" +
regexp.QuoteMeta("[[test1]] NOT LIKE {:") +
".+" +
regexp.QuoteMeta("}") +
"$",
},
// current datetime constant
{"test1 > @now", false,
"^" +