Ran Tao created CALCITE-5908:
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Summary: Remove misleading NULL checks in CalciteSchema
Key: CALCITE-5908
URL: https://issues.apache.org/jira/browse/CALCITE-5908
Project: Calcite
Issue Type: Improvement
Components: core
Affects Versions: 1.35.0
Reporter: Ran Tao
Assignee: Ran Tao
When i read the source code of `CalciteSchema` found so many null checks below:
{code:java}
if (tableMap == null) {
this.tableMap = new NameMap<>();
} else {
this.tableMap = Objects.requireNonNull(tableMap, "tableMap");
}
if (latticeMap == null) {
this.latticeMap = new NameMap<>();
} else {
this.latticeMap = Objects.requireNonNull(latticeMap, "latticeMap");
} {code}
i think we can remove it. it was misleading.
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