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incremental data loading, flattened some sqltree types

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This commit is contained in:
Jan Prochazka
2020-03-05 15:04:06 +01:00
parent 6b3e4e7cbf
commit d4b359f5a0
9 changed files with 45 additions and 33 deletions
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21
packages/sqltree/src/dumpSqlCommand.ts
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@@ -18,15 +18,32 @@ export function dumpSqlSelect(dmp: SqlDumper, select: Select) {
if (select.selectAll) dmp.put('&n,');
dmp.put('&>&n');
dmp.putCollection(',&n', select.columns, fld => {
dumpSqlExpression(dmp, fld.expr);
dumpSqlExpression(dmp, fld);
if (fld.alias) dmp.put(' %i', fld.alias);
});
dmp.put('&n&<');
}
dmp.put('^from ');
dumpSqlFromDefinition(dmp, select.from);
if (select.groupBy) {
dmp.put('&ngroup ^by ');
dmp.putCollection(', ', select.groupBy, expr => dumpSqlExpression(dmp, expr));
dmp.put('&n');
}
if (select.orderBy) {
dmp.put('&n^order ^by ');
dmp.putCollection(', ', select.orderBy, expr => {
dumpSqlExpression(dmp, expr);
dmp.put(' %k', expr.direction);
});
dmp.put('&n');
}
if (select.range) {
dmp.put('^limit %s ^offset %s ', select.range.limit, select.range.offset);
if (dmp.dialect.offsetFetchRangeSyntax) {
dmp.put('^offset %s ^rows ^fetch ^next %s ^rows ^only', select.range.offset, select.range.limit);
} else {
dmp.put('^limit %s ^offset %s ', select.range.limit, select.range.offset);
}
}
}