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-rw-r--r--core/java/android/database/DatabaseUtils.java56
1 files changed, 56 insertions, 0 deletions
diff --git a/core/java/android/database/DatabaseUtils.java b/core/java/android/database/DatabaseUtils.java
index 4063534..0687659 100644
--- a/core/java/android/database/DatabaseUtils.java
+++ b/core/java/android/database/DatabaseUtils.java
@@ -52,6 +52,21 @@ public class DatabaseUtils {
private static final String[] countProjection = new String[]{"count(*)"};
+ /** One of the values returned by {@link #getSqlStatementType(String)}. */
+ public static final int STATEMENT_SELECT = 1;
+ /** One of the values returned by {@link #getSqlStatementType(String)}. */
+ public static final int STATEMENT_UPDATE = 2;
+ /** One of the values returned by {@link #getSqlStatementType(String)}. */
+ public static final int STATEMENT_ATTACH = 3;
+ /** One of the values returned by {@link #getSqlStatementType(String)}. */
+ public static final int STATEMENT_BEGIN = 4;
+ /** One of the values returned by {@link #getSqlStatementType(String)}. */
+ public static final int STATEMENT_COMMIT = 5;
+ /** One of the values returned by {@link #getSqlStatementType(String)}. */
+ public static final int STATEMENT_ABORT = 6;
+ /** One of the values returned by {@link #getSqlStatementType(String)}. */
+ public static final int STATEMENT_OTHER = 7;
+
/**
* Special function for writing an exception result at the header of
* a parcel, to be used when returning an exception from a transaction.
@@ -1159,4 +1174,45 @@ public class DatabaseUtils {
db.setVersion(dbVersion);
db.close();
}
+
+ /**
+ * Returns one of the following which represent the type of the given SQL statement.
+ * <ol>
+ * <li>{@link #STATEMENT_SELECT}</li>
+ * <li>{@link #STATEMENT_UPDATE}</li>
+ * <li>{@link #STATEMENT_ATTACH}</li>
+ * <li>{@link #STATEMENT_BEGIN}</li>
+ * <li>{@link #STATEMENT_COMMIT}</li>
+ * <li>{@link #STATEMENT_ABORT}</li>
+ * <li>{@link #STATEMENT_OTHER}</li>
+ * </ol>
+ * @param sql the SQL statement whose type is returned by this method
+ * @return one of the values listed above
+ */
+ public static int getSqlStatementType(String sql) {
+ sql = sql.trim();
+ if (sql.length() < 3) {
+ return STATEMENT_OTHER;
+ }
+ String prefixSql = sql.substring(0, 3).toUpperCase();
+ if (prefixSql.equals("SEL")) {
+ return STATEMENT_SELECT;
+ } else if (prefixSql.equals("INS") ||
+ prefixSql.equals("UPD") ||
+ prefixSql.equals("REP") ||
+ prefixSql.equals("DEL")) {
+ return STATEMENT_UPDATE;
+ } else if (prefixSql.equals("ATT")) {
+ return STATEMENT_ATTACH;
+ } else if (prefixSql.equals("COM")) {
+ return STATEMENT_COMMIT;
+ } else if (prefixSql.equals("END")) {
+ return STATEMENT_COMMIT;
+ } else if (prefixSql.equals("ROL")) {
+ return STATEMENT_ABORT;
+ } else if (prefixSql.equals("BEG")) {
+ return STATEMENT_BEGIN;
+ }
+ return STATEMENT_OTHER;
+ }
}