Commit 0cd9490

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Merge pull request #1517 from lowcoder-org/fix/oracle_blob_serialize

#1173: Implemented json serialization of oracle BLOB column type

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server/api-service/lowcoder-sdk/src/main/java/org/lowcoder/sdk/plugin/common/sql
- ResultSetParser.java

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Lines changed: 9 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,9 @@`
`1`	`1`	`package org.lowcoder.sdk.plugin.common.sql;`
`2`	`2`
	`3`	`+import org.apache.commons.codec.binary.Base64;`
`3`	`4`	`import org.jetbrains.annotations.Nullable;`
`4`	`5`
	`6`	`+import java.sql.Blob;`
`5`	`7`	`import java.sql.ResultSet;`
`6`	`8`	`import java.sql.ResultSetMetaData;`
`7`	`9`	`import java.sql.SQLException;`
`@@ -25,6 +27,7 @@ public class ResultSetParser {`
`25`	`27`	`public static final String DATETIME_COLUMN_TYPE_NAME = "datetime";`
`26`	`28`	`public static final String TIMESTAMP_COLUMN_TYPE_NAME = "timestamp";`
`27`	`29`	`public static final String YEAR_COLUMN_TYPE_NAME = "year";`
	`30`	`+ public static final String BLOB_COLUMN_TYPE_NAME = "blob";`
`28`	`31`
`29`	`32`	`public static List<Map<String, Object>> parseRows(ResultSet resultSet) throws SQLException {`
`30`	`33`	`ResultSetMetaData metaData = resultSet.getMetaData();`
`@@ -74,6 +77,12 @@ private static Object getValue(ResultSet resultSet, int i, String typeName) thro`
`74`	`77`	`if (YEAR_COLUMN_TYPE_NAME.equalsIgnoreCase(typeName)) {`
`75`	`78`	`return resultSet.getDate(i).toLocalDate().getYear();`
`76`	`79`	`}`
	`80`	`+ if (BLOB_COLUMN_TYPE_NAME.equalsIgnoreCase(typeName)) {`
	`81`	`+ //Convert binary data into base64`
	`82`	`+ Blob blob = resultSet.getBlob(i);`
	`83`	`+ byte[] blobBytes = blob.getBytes(1, (int) blob.length());`
	`84`	`+ return Base64.encodeBase64String(blobBytes);`
	`85`	`+ }`
`77`	`86`	`return resultSet.getObject(i);`
`78`	`87`	`}`
`79`	`88`

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