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Cache CAPIType values #790

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Merged
staticlibs merged 1 commit into from
Aug 7, 2026
Merged

Cache CAPIType values #790

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25 changes: 18 additions & 7 deletions src/main/java/org/duckdb/DuckDBBindings.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,6 @@
import java.math.BigInteger;
import java.nio.ByteBuffer;
import java.sql.SQLException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;

public class DuckDBBindings {

Expand Down Expand Up @@ -380,6 +377,22 @@ enum CAPIType {
final long widthBytes;
final CAPIType[] typeArray;

private static final CAPIType[] BY_TYPE_ID;

static {
int max = 0;
CAPIType[] values = CAPIType.values();
for (CAPIType ct : values) {
if (ct.typeId > max) {
max = ct.typeId;
}
}
BY_TYPE_ID = new CAPIType[max + 1];
for (CAPIType ct : values) {
BY_TYPE_ID[ct.typeId] = ct;
}
}

CAPIType(int typeId) {
this(typeId, 0);
}
Expand All @@ -391,10 +404,8 @@ enum CAPIType {
}

static CAPIType capiTypeFromTypeId(int typeId) throws SQLException {
for (CAPIType ct : CAPIType.values()) {
if (ct.typeId == typeId) {
return ct;
}
if (typeId >= 0 && typeId < BY_TYPE_ID.length && BY_TYPE_ID[typeId] != null) {
return BY_TYPE_ID[typeId];
}
throw new SQLException("Invalid unknown ID not found: " + typeId);
}
Expand Down
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