Jackie-Jiang commented on a change in pull request #7792:
URL: https://github.com/apache/pinot/pull/7792#discussion_r785145603
##########
File path: pinot-spi/src/main/java/org/apache/pinot/spi/data/Schema.java
##########
@@ -188,6 +188,7 @@ public void addField(FieldSpec fieldSpec) {
Preconditions.checkNotNull(columnName);
Preconditions
.checkState(!_fieldSpecMap.containsKey(columnName), "Field spec
already exists for column: " + columnName);
+ Preconditions.checkArgument(fieldSpec.getDataType() != null, "'%s' field
is missing 'dataType' property", columnName);
Review comment:
This line is too long, and breaks the linter check
##########
File path: pinot-spi/src/main/java/org/apache/pinot/spi/data/Schema.java
##########
@@ -213,6 +214,7 @@ public void addField(FieldSpec fieldSpec) {
throw new UnsupportedOperationException("Unsupported field type: " +
fieldType);
}
+
Review comment:
（minor) redundant empty line
##########
File path: pinot-spi/src/main/java/org/apache/pinot/spi/data/Schema.java
##########
@@ -188,6 +188,7 @@ public void addField(FieldSpec fieldSpec) {
Preconditions.checkNotNull(columnName);
Review comment:
We may add some exception message if name is not specified
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