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DB Backup Bugfix

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This commit is contained in:
Stefan Hardegger
2025-07-31 07:46:14 +02:00
parent 370bef2f07
commit e89331e059
1 changed files with 45 additions and 32 deletions
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77
backend/src/main/java/com/storycove/service/DatabaseManagementService.java
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@@ -83,38 +83,7 @@ public class DatabaseManagementService {
if (i > 1) sqlDump.append(", "); if (i > 1) sqlDump.append(", ");
Object value = rs.getObject(i); Object value = rs.getObject(i);
if (value == null) { sqlDump.append(formatSqlValue(value));
sqlDump.append("NULL");
} else if (value instanceof Boolean) {
sqlDump.append(((Boolean) value) ? "true" : "false");
} else if (value instanceof Number) {
// Handle numeric types (Integer, Long, Double, etc.)
sqlDump.append(value.toString());
} else {
// Handle all other types as strings (String, UUID, Timestamp, CLOB, TEXT, etc.)
String stringValue;
// Special handling for CLOB types
if (value instanceof Clob) {
Clob clob = (Clob) value;
try {
stringValue = clob.getSubString(1, (int) clob.length());
} catch (SQLException e) {
stringValue = value.toString();
}
} else {
stringValue = value.toString();
}
// Debug: log if we're dealing with a large content field
if (stringValue.length() > 1000) {
System.out.println("Processing large field (length: " + stringValue.length() + ") with quotes: " + stringValue.contains("'") + " type: " + value.getClass().getSimpleName());
}
// Escape single quotes by replacing ' with ''
String escapedValue = stringValue.replace("'", "''");
sqlDump.append("'").append(escapedValue).append("'");
}
} }
sqlDump.append(");\n"); sqlDump.append(");\n");
@@ -213,4 +182,48 @@ public class DatabaseManagementService {
return totalDeleted; return totalDeleted;
} }
/**
* Formats a database value for SQL insertion, handling proper escaping
*/
private String formatSqlValue(Object value) {
if (value == null) {
return "NULL";
}
if (value instanceof Boolean) {
return ((Boolean) value) ? "true" : "false";
}
if (value instanceof Number) {
return value.toString();
}
// Handle all other types as strings (String, UUID, Timestamp, CLOB, TEXT, etc.)
String stringValue;
// Special handling for CLOB types
if (value instanceof Clob) {
Clob clob = (Clob) value;
try {
stringValue = clob.getSubString(1, (int) clob.length());
} catch (SQLException e) {
stringValue = value.toString();
}
} else {
stringValue = value.toString();
}
// Debug output for large fields
if (stringValue.length() > 1000) {
System.err.println("DEBUG: Processing large field (length: " + stringValue.length() +
") with quotes: " + stringValue.contains("'") +
" type: " + value.getClass().getSimpleName());
}
// Escape single quotes by replacing ' with '' and wrap in quotes
// This is the critical line - make absolutely sure single quotes are escaped
String escapedValue = stringValue.replace("'", "''");
return "'" + escapedValue + "'";
}
} }