SpringBootSQLite⽀持依赖
compile 'org.springframework.boot:spring-boot-starter-data-jpa'
// compile 'mysql:mysql-connector-java:6.0.6'
compile 'ial:sqlite-jdbc:3.25.2'
配置
# JPA配置
spring.jpa.show-sql=true
# ⾃动根据Entity配置创建表
ate-ddl=true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.fig.SQLiteDialect
# 数据库SQLite配置
spring.datasource.driver-class-name=org.sqlite.JDBC
spring.datasource.url=jdbc:sqlite:res/mspider-server.db
spring.datasource.username=
spring.datasource.password=
代码
import org.hibernate.JDBCException;
import org.hibernate.ScrollMode;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.function.*;
import org.hibernate.dialect.identity.IdentityColumnSupport;
import org.hibernate.dialect.identity.IdentityColumnSupportImpl;
import org.hibernate.dialect.pagination.AbstractLimitHandler;
import org.hibernate.dialect.pagination.LimitHandler;
import org.hibernate.dialect.pagination.LimitHelper;
import org.hibernate.dialect.unique.DefaultUniqueDelegate;
import org.hibernate.dialect.unique.UniqueDelegate;
import ine.spi.RowSelection;
import ption.DataException;
import ption.JDBCConnectionException;
import ption.LockAcquisitionException;
import ption.spi.SQLExceptionConversionDelegate;
import ption.spi.TemplatedViolatedConstraintNameExtracter;
import ption.spi.ViolatedConstraintNameExtracter;
import org.hibernate.internal.util.JdbcExceptionHelper;
import org.hibernate.mapping.Column;
import pe.StandardBasicTypes;
import java.sql.SQLException;
import java.sql.Types;
public class SQLiteDialect extends Dialect {
private final UniqueDelegate uniqueDelegate;
public SQLiteDialect() {
super();
/
/ registerColumnType(Types.NULL, "null");
registerColumnType(Types.BLOB, "blob");
registerColumnType(Types.CLOB, "clob");
registerColumnType(Types.BIT, "boolean");
registerColumnType(Types.BOOLEAN, "integer");
registerColumnType(Types.BINARY, "blob");
registerColumnType(Types.VARBINARY, "blob");
registerColumnType(Types.LONGVARBINARY, "blob");
registerColumnType(Types.TINYINT, "tinyint");
registerColumnType(Types.SMALLINT, "smallint");
registerColumnType(Types.BIGINT, "bigint");
registerColumnType(Types.INTEGER, "integer");
registerColumnType(Types.REAL, "real");
registerColumnType(Types.FLOAT, "float");
registerColumnType(Types.DOUBLE, "double");
registerColumnType(Types.NUMERIC, "numeric");
registerColumnType(Types.DECIMAL, "decimal");
registerColumnType(Types.CHAR, "char");
registerColumnType(Types.VARCHAR, "varchar");
registerColumnType(Types.LONGVARCHAR, "longvarchar");
registerColumnType(Types.DATE, "date");
registerColumnType(Types.TIME, "time");
registerColumnType(Types.TIMESTAMP, "timestamp");
registerFunction("mod", new SQLFunctionTemplate(StandardBasicTypes.INTEGER, "?1 % ?2"));        registerFunction("quote", new StandardSQLFunction("quote", StandardBasicTypes.STRING));
registerFunction("random", new NoArgSQLFunction("random", StandardBasicTypes.INTEGER));        registerFunction("round", new StandardSQLFunction("round"));
registerFunction("concat", new VarArgsSQLFunction(StandardBasicTypes.STRING, "", "||", ""));        registerFunction("substr", new StandardSQLFunction("substr", StandardBasicTypes.STRING));        registerFunction("trim", new AbstractAnsiTrimEmulationFunction() {
@Override
protected SQLFunction resolveBothSpaceTrimFunction() {
return new SQLFunctionTemplate(StandardBasicTypes.STRING, "trim(?1)");
}
@Override
protected SQLFunction resolveBothSpaceTrimFromFunction() {
return new SQLFunctionTemplate(StandardBasicTypes.STRING, "trim(?2)");
}
@Override
protected SQLFunction resolveLeadingSpaceTrimFunction() {
return new SQLFunctionTemplate(StandardBasicTypes.STRING, "ltrim(?1)");
}
@Override
protected SQLFunction resolveTrailingSpaceTrimFunction() {
return new SQLFunctionTemplate(StandardBasicTypes.STRING, "rtrim(?1)");
}
@Override
protected SQLFunction resolveBothTrimFunction() {
return new SQLFunctionTemplate(StandardBasicTypes.STRING, "trim(?1, ?2)");
}
@Override
protected SQLFunction resolveLeadingTrimFunction() {
return new SQLFunctionTemplate(StandardBasicTypes.STRING, "ltrim(?1, ?2)");
}
@Override
protected SQLFunction resolveTrailingTrimFunction() {
return new SQLFunctionTemplate(StandardBasicTypes.STRING, "rtrim(?1, ?2)");
}
});
uniqueDelegate = new SQLiteUniqueDelegate(this);
}
// IDENTITY support ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    private static final SQLiteDialectIdentityColumnSupport IDENTITY_COLUMN_SUPPORT = new
SQLiteDialectIdentityColumnSupport(new SQLiteDialect());
@Override
public IdentityColumnSupport getIdentityColumnSupport() {
return IDENTITY_COLUMN_SUPPORT;
}
// limit/offset support ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
private static final AbstractLimitHandler LIMIT_HANDLER = new AbstractLimitHandler() {
@Override
public String processSql(String sql, RowSelection selection) {
final boolean hasOffset = LimitHelper.hasFirstRow(selection);
return sql + (hasOffset ? " limit ? offset ?" : " limit ?");
}
@Override
public boolean supportsLimit() {
return true;
}
@Override
public boolean bindLimitParametersInReverseOrder() {
return true;
}
};
@Override
public LimitHandler getLimitHandler() {
return LIMIT_HANDLER;
}
// lock acquisition support ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@Override
public boolean supportsLockTimeouts() {
/
/ may be /c3ref/db_mutex.html ?
return false;
}
@Override
public String getForUpdateString() {
return "";
}
@Override
public boolean supportsOuterJoinForUpdate() {
return false;
}
/
/ current timestamp support ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@Override
public boolean supportsCurrentTimestampSelection() {
return true;
}
@Override
public boolean isCurrentTimestampSelectStringCallable() {
return false;
}
@Override
public String getCurrentTimestampSelectString() {
return "select current_timestamp";
}
// SQLException support ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
private static final int SQLITE_BUSY = 5;
private static final int SQLITE_LOCKED = 6;
private static final int SQLITE_IOERR = 10;
private static final int SQLITE_CORRUPT = 11;
private static final int SQLITE_NOTFOUND = 12;
private static final int SQLITE_FULL = 13;
private static final int SQLITE_CANTOPEN = 14;
private static final int SQLITE_PROTOCOL = 15;
private static final int SQLITE_TOOBIG = 18;
private static final int SQLITE_CONSTRAINT = 19;
private static final int SQLITE_MISMATCH = 20;
private static final int SQLITE_NOTADB = 26;
@Override
public SQLExceptionConversionDelegate buildSQLExceptionConversionDelegate() {
return new SQLExceptionConversionDelegate() {
@Override
public JDBCException convert(SQLException sqlException, String message, String sql) {
final int errorCode = actErrorCode(sqlException) & 0xFF;
if (errorCode == SQLITE_TOOBIG || errorCode == SQLITE_MISMATCH) {
return new DataException(message, sqlException, sql);
} else if (errorCode == SQLITE_BUSY || errorCode == SQLITE_LOCKED) {
return new LockAcquisitionException(message, sqlException, sql);
} else if ((errorCode >= SQLITE_IOERR && errorCode <= SQLITE_PROTOCOL) || errorCode == SQLITE_NOTADB) {                    return new JDBCConnectionException(message, sqlException, sql);
}
// returning null allows other delegates to operate
return null;
}
};
}
@Override
public ViolatedConstraintNameExtracter getViolatedConstraintNameExtracter() {
return EXTRACTER;
}
private static final ViolatedConstraintNameExtracter EXTRACTER = new TemplatedViolatedConstraintNameExtracter() {
@Override
protected String doExtractConstraintName(SQLException sqle) throws NumberFormatException {
final int errorCode = actErrorCode(sqle) & 0xFF;
if (errorCode == SQLITE_CONSTRAINT) {
return extractUsingTemplate("constraint ", " failed", Message());
}
return null;
}
};
// union subclass support ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@Override
public boolean supportsUnionAll() {
return true;
}
// DDL support ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@Override
public boolean supportsCommentOn() {
return true;
}
@Override
public boolean supportsTupleDistinctCounts() {
return false;
}
@Override
public boolean supportsIfExistsBeforeTableName() {
return true;
}
@Override
public ScrollMode defaultScrollMode() {
return ScrollMode.FORWARD_ONLY;
}
@Override
public boolean hasAlterTable() {
// As specified in NHibernate dialect
return false;
}
@Override
public boolean canCreateSchema() {
return false;
}
@Override
public boolean dropConstraints() {
return false;
}
@Override
public boolean doesReadCommittedCauseWritersToBlockReaders() {
return true;
}
@Override
public boolean doesRepeatableReadCauseReadersToBlockWriters() {
return true;
}
@Override
public boolean qualifyIndexName() {
return false;
}
@Override
public String getAddColumnString() {
return "add column";
}
@Override
public String getDropForeignKeyString() {
throw new UnsupportedOperationException("No drop foreign key syntax supported by SQLiteDialect");    }
@Override
public String getAddForeignKeyConstraintString(String constraintName,
String[] foreignKey, String referencedTable, String[] primaryKey,
boolean referencesPrimaryKey) {
throw new UnsupportedOperationException("No add foreign key syntax supported by SQLiteDialect");    }
@Override
public String getAddPrimaryKeyConstraintString(String constraintName) {
throw new UnsupportedOperationException("No add primary key syntax supported by SQLiteDialect");    }
@Override
public int getInExpressionCountLimit() {
// Compile/runtime time option: /limits.html#max_variable_number
return 1000;
}
@Override
public UniqueDelegate getUniqueDelegate() {
return uniqueDelegate;
}
@Override
public String getSelectGUIDString() {
springframework依赖
return "select hex(randomblob(16))";
}
private static class SQLiteUniqueDelegate extends DefaultUniqueDelegate {
public SQLiteUniqueDelegate(Dialect dialect) {
super(dialect);
}
@Override
public String getColumnDefinitionUniquenessFragment(Column column) {
return " unique";
}
}
public static class SQLiteDialectIdentityColumnSupport extends IdentityColumnSupportImpl {
public SQLiteDialectIdentityColumnSupport(Dialect dialect) {
super(dialect);
}
@Override
public boolean supportsIdentityColumns() {
return true;
}
@Override
public boolean hasDataTypeInIdentityColumn() {
// As specified in NHibernate dialect
/
/ FIXME true
return false;
}
@Override
public String getIdentitySelectString(String table, String column, int type) {
return "select last_insert_rowid()";
}
@Override
public String getIdentityColumnString(int type) {
// return "integer primary key autoincrement";
// FIXME "autoincrement"
return "integer";
}
}
}

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