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Refactor parameter matching to use LinkedCaseInsensitiveMap for improved efficiency 

Signed-off-by: belljun3395 <195850@jnu.ac.kr>
This commit is contained in:
belljun3395 2025-09-11 23:50:52 +09:00
parent 11892fb14b
commit cdb149bc3e
1 changed files with 4 additions and 6 deletions
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10
spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/TableMetaDataContext.java
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@ -18,7 +18,6 @@ package org.springframework.jdbc.core.metadata;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collections; import java.util.Collections;
import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Locale; import java.util.Locale;
import java.util.Map; import java.util.Map;
@ -37,6 +36,7 @@ import org.springframework.jdbc.core.namedparam.SqlParameterSourceUtils;
import org.springframework.jdbc.support.JdbcUtils; import org.springframework.jdbc.support.JdbcUtils;
import org.springframework.util.Assert; import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils; import org.springframework.util.CollectionUtils;
import org.springframework.util.LinkedCaseInsensitiveMap;
import org.springframework.util.StringUtils; import org.springframework.util.StringUtils;
/** /**
@ -268,17 +268,15 @@ public class TableMetaDataContext {
public List<Object> matchInParameterValuesWithInsertColumns(Map<String, ?> inParameters) { public List<Object> matchInParameterValuesWithInsertColumns(Map<String, ?> inParameters) {
List<Object> values = new ArrayList<>(this.tableColumns.size()); List<Object> values = new ArrayList<>(this.tableColumns.size());
Map<String, Object> caseInsensitiveLookup = new HashMap<>(inParameters.size()); LinkedCaseInsensitiveMap<Object> caseInsensitiveLookup = new LinkedCaseInsensitiveMap<>(inParameters.size());
for (Map.Entry<String, ?> entry : inParameters.entrySet()) { caseInsensitiveLookup.putAll(inParameters);
caseInsensitiveLookup.put(entry.getKey().toLowerCase(Locale.ROOT), entry.getValue());
}
for (String column : this.tableColumns) { for (String column : this.tableColumns) {
Object value = inParameters.get(column); Object value = inParameters.get(column);
if (value == null) { if (value == null) {
value = inParameters.get(column.toLowerCase(Locale.ROOT)); value = inParameters.get(column.toLowerCase(Locale.ROOT));
if (value == null) { if (value == null) {
value = caseInsensitiveLookup.get(column.toLowerCase(Locale.ROOT)); value = caseInsensitiveLookup.get(column);
} }
} }
values.add(value); values.add(value);