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filter parser

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This commit is contained in:
Jan Prochazka
2020-03-12 13:15:13 +01:00
parent 064121376f
commit 2de6033dc9
3 changed files with 81 additions and 8 deletions
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27
packages/sqltree/src/dumpSqlCondition.ts
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@@ -5,11 +5,34 @@ import { dumpSqlExpression } from './dumpSqlExpression';
export function dumpSqlCondition(dmp: SqlDumper, condition: Condition) {
switch (condition.conditionType) {
case 'binary':
dmp.put('(');
dumpSqlExpression(dmp, condition.left);
dmp.put(' %s ', condition.operator);
dumpSqlExpression(dmp, condition.right);
dmp.put(')');
break;
case 'isNull':
dumpSqlExpression(dmp, condition.expr);
dmp.put(' ^is ^null');
break;
case 'isNotNull':
dumpSqlExpression(dmp, condition.expr);
dmp.put(' ^is ^not ^null');
break;
case 'isEmpty':
dmp.put('^trim(');
dumpSqlExpression(dmp, condition.expr);
dmp.put(") = ''");
break;
case 'isNotEmpty':
dmp.put('^trim(');
dumpSqlExpression(dmp, condition.expr);
dmp.put(") <> ''");
break;
case 'and':
case 'or':
dmp.putCollection(` ^${condition.conditionType} `, condition.conditions, cond => {
dmp.putRaw('(');
dumpSqlCondition(dmp, cond);
dmp.putRaw(')');
});
}
}