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fix: handle non-standard field casing in MapContains queries #666

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Merged
merged 1 commit into from
Sep 10, 2025
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fix: handle non-standard field casing in MapContains queries #666

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17 changes: 15 additions & 2 deletions redis-om-spring/src/main/java/com/redis/om/spring/repository/query/RediSearchQuery.java
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Original file line number Diff line number Diff line change
Expand Up @@ -424,12 +424,25 @@ private void processMapContainsQuery(String methodName) {
String nestedFieldName = matcher.group(2);
String operator = matcher.group(3);

// Convert to lowercase first character
// Store original field name before converting
String originalMapFieldName = mapFieldName;

// Convert to lowercase first character for standard Java naming
mapFieldName = Character.toLowerCase(mapFieldName.charAt(0)) + mapFieldName.substring(1);
nestedFieldName = Character.toLowerCase(nestedFieldName.charAt(0)) + nestedFieldName.substring(1);

// Find the Map field
// Find the Map field - try both lowercase and original casing
Field mapField = ReflectionUtils.findField(domainType, mapFieldName);
if (mapField == null) {
// Try with original casing (e.g., "Positions" instead of "positions")
mapField = ReflectionUtils.findField(domainType, originalMapFieldName);
if (mapField != null) {
// Use the actual field name for building the query
mapFieldName = originalMapFieldName;
}
}
logger.debug(String.format("Looking for Map field '%s' (or '%s') in %s: %s", mapFieldName,
originalMapFieldName, domainType.getSimpleName(), mapField != null ? "FOUND" : "NOT FOUND"));
if (mapField != null && Map.class.isAssignableFrom(mapField.getType())) {
// Get the Map's value type
Optional<Class<?>> maybeValueType = ObjectUtils.getMapValueClass(mapField);
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