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LoggingStatement.scala
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LoggingStatement.scala
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package slick.jdbc
import java.sql as js
import java.io.{InputStream, Reader}
import java.net.URL
import java.sql.{Array as _, *}
import java.util.Calendar
import scala.collection.mutable.ArrayBuffer
import slick.jdbc.JdbcBackend.{benchmarkLogger, parameterLogger, statementAndParameterLogger, statementLogger}
import slick.compat.collection.*
import slick.util.TableDump
/** A wrapper for `java.sql.Statement` that logs statements and benchmark results
* to the appropriate [[JdbcBackend]] loggers. */
class LoggingStatement(st: Statement) extends Statement {
private[this] val doStatement = statementLogger.isDebugEnabled
private[this] val doBenchmark = benchmarkLogger.isDebugEnabled
private[this] val doParameter = parameterLogger.isDebugEnabled
private[this] val doStatementAndParameter = statementAndParameterLogger.isDebugEnabled
private[this] var params: ArrayBuffer[(Any, Any)] = _
private[this] var paramss: ArrayBuffer[ArrayBuffer[(Any, Any)]] = _
/** log a parameter */
protected[this] def p(idx: Int, tpe: Any, value: Any): Unit = if(doParameter) {
if(params eq null) params = new ArrayBuffer
if(params.size == idx) params += ((tpe, value))
else {
while(params.size < idx) params += null
params(idx-1) = (tpe, value)
}
}
protected[this] def pushParams(): Unit = if (doParameter) {
if(params ne null) {
if(paramss eq null) paramss = new ArrayBuffer
paramss += params
}
params = null
}
protected[this] def clearParamss(): Unit = if (doParameter) {
paramss = null
params = null
}
protected[this] def logged[T](sql: String, what: String = "statement")(f: =>T) = {
if (doStatement && (sql ne null)) statementLogger.debug("Executing " + what + ": " + sql)
if (doStatementAndParameter && (sql ne null))
statementAndParameterLogger.debug("Executing " + what + ": " + sql)
if(doParameter && (paramss ne null) && paramss.nonEmpty) {
// like s.groupBy but only group adjacent elements and keep the ordering
def groupBy[U](s: IterableOnce[U])(f: U => AnyRef): IndexedSeq[IndexedSeq[U]] = {
var current: AnyRef = null
val b = new ArrayBuffer[ArrayBuffer[U]]
s.iterator.foreach { v =>
val id = f(v)
if(b.isEmpty || current != id) b += ArrayBuffer(v)
else b.last += v
current = id
}
b.toIndexedSeq.map(_.toIndexedSeq)
}
def mkTpStr(tp: Int) = JdbcTypesComponent.typeNames.getOrElse(tp, tp.toString)
val paramSets = paramss.map { params =>
(params.map {
case (tp: Int, _) => mkTpStr(tp)
case ((tp: Int, scale: Int), _) => mkTpStr(tp)+"("+scale+")"
case ((tp: Int, tpStr: String), _) => mkTpStr(tp)+": "+tpStr
case (tpe, _) => tpe.toString
}, params.map {
case (_, null) => "NULL"
case (_, ()) => ""
case (_, v) =>
val s = v.toString
if(s eq null) "NULL" else s
})
}
val dump = new TableDump(25)
groupBy(paramSets)(_._1).foreach { matchingSets =>
val types = matchingSets.head._1
val indexes = 1.to(types.length).map(_.toString)
dump(Vector(indexes, types.toIndexedSeq), matchingSets.map(_._2).map(_.toIndexedSeq))
.foreach(s => parameterLogger.debug(s))
}
}
val t0 = if(doBenchmark) System.nanoTime() else 0L
val res = f
if (doBenchmark) benchmarkLogger.debug("Execution of " + what + " took " + formatNS(System.nanoTime() - t0))
clearParamss()
res
}
private[this] def formatNS(ns: Long): String = {
if(ns < 1000L) s"${ns}ns"
else if (ns < 1000000L) s"${ns / 1000L}µs"
else if (ns < 1000000000L) s"${ns / 1000000L}ms"
else s"${ns / 1000000000L}s"
}
override def addBatch(sql: String) = {
if (doStatement) statementLogger.debug("Adding to batch: " + sql)
if (doStatementAndParameter) statementAndParameterLogger.debug("Adding to batch: " + sql)
st.addBatch(sql)
}
override def execute(sql: String, columnNames: Array[String]): Boolean = logged(sql) {
st.execute(sql, columnNames)
}
override def execute(sql: String, columnIndexes: Array[Int]): Boolean = logged(sql) {
st.execute(sql, columnIndexes)
}
override def execute(sql: String, autoGeneratedKeys: Int): Boolean =
logged(sql) {
st.execute(sql, autoGeneratedKeys)
}
override def execute(sql: String): Boolean = logged(sql) {
st.execute(sql)
}
override def executeQuery(sql: String): ResultSet = logged(sql, "query") {
st.executeQuery(sql)
}
override def executeUpdate(sql: String, columnNames: Array[String]): Int =
logged(sql, "update") {
st.executeUpdate(sql, columnNames)
}
override def executeUpdate(sql: String, columnIndexes: Array[Int]): Int =
logged(sql, "update") {
st.executeUpdate(sql, columnIndexes)
}
override def executeUpdate(sql: String, autoGeneratedKeys: Int): Int =
logged(sql, "update") {
st.executeUpdate(sql, autoGeneratedKeys)
}
override def executeUpdate(sql: String): Int = logged(sql, "update") {
st.executeUpdate(sql)
}
override def executeBatch(): Array[Int] = logged(null, "batch") {
st.executeBatch()
}
override def setMaxFieldSize(max: Int) = st.setMaxFieldSize(max)
override def clearWarnings() = st.clearWarnings()
override def getMoreResults(current: Int) = st.getMoreResults(current)
override def getMoreResults: Boolean = st.getMoreResults
override def getGeneratedKeys: ResultSet = st.getGeneratedKeys
override def cancel() = st.cancel()
override def getResultSet: ResultSet = st.getResultSet
override def setPoolable(poolable: Boolean) = st.setPoolable(poolable)
override def isPoolable: Boolean = st.isPoolable
override def setCursorName(name: String) = st.setCursorName(name)
override def getUpdateCount: Int = st.getUpdateCount
override def getMaxRows: Int = st.getMaxRows
override def getResultSetType: Int = st.getResultSetType
override def unwrap[T](iface: Class[T]): T = st.unwrap(iface)
override def setMaxRows(max: Int) = st.setMaxRows(max)
override def getFetchSize: Int = st.getFetchSize
override def getResultSetHoldability: Int = st.getResultSetHoldability
override def setFetchDirection(direction: Int) = st.setFetchDirection(direction)
override def getFetchDirection: Int = st.getFetchDirection
override def getResultSetConcurrency: Int = st.getResultSetConcurrency
override def isWrapperFor(iface: Class[_]): Boolean = st.isWrapperFor(iface)
override def clearBatch() = st.clearBatch()
override def close() = st.close()
override def isClosed: Boolean = st.isClosed
override def getWarnings: SQLWarning = st.getWarnings
override def getQueryTimeout: Int = st.getQueryTimeout
override def setQueryTimeout(seconds: Int) = st.setQueryTimeout(seconds)
override def setFetchSize(rows: Int) = st.setFetchSize(rows)
override def setEscapeProcessing(enable: Boolean) = st.setEscapeProcessing(enable)
override def getConnection: Connection = st.getConnection
override def getMaxFieldSize: Int = st.getMaxFieldSize
override def closeOnCompletion(): Unit = st.closeOnCompletion()
override def isCloseOnCompletion: Boolean = st.isCloseOnCompletion
}
/** A wrapper for `java.sql.PreparedStatement` that logs statements, parameters and benchmark results
* to the appropriate [[JdbcBackend]] loggers. */
class LoggingPreparedStatement(st: PreparedStatement) extends LoggingStatement(st) with PreparedStatement {
override def execute(): Boolean = {
pushParams()
if (statementAndParameterLogger.isDebugEnabled) {
logged(st.toString, "prepared statement") { st.execute() }
} else {
logged(null, "prepared statement") { st.execute() }
}
}
override def executeQuery(): js.ResultSet = {
pushParams()
logged(null, "prepared query") {
st.executeQuery()
}
}
override def executeUpdate(): Int = {
pushParams()
if (statementAndParameterLogger.isDebugEnabled) {
logged(st.toString, "prepared update") { st.executeUpdate() }
} else {
logged(null, "prepared update") { st.executeUpdate() }
}
}
override def addBatch(): Unit = {
pushParams()
if (statementAndParameterLogger.isDebugEnabled) {
logged(st.toString, "batch insert") { st.addBatch() }
} else {
st.addBatch()
}
}
override def clearParameters(): Unit = {
clearParamss()
st.clearParameters()
}
override def getMetaData: js.ResultSetMetaData = st.getMetaData
override def getParameterMetaData: js.ParameterMetaData = st.getParameterMetaData
// printable parameters
override def setArray(i: Int, v: js.Array): Unit = {
p(i, "Array", v)
st.setArray(i, v)
}
override def setBigDecimal(i: Int, v: java.math.BigDecimal): Unit = {
p(i, "BigDecimal", v)
st.setBigDecimal(i, v)
}
override def setBoolean(i: Int, v: Boolean): Unit = {
p(i, "Boolean", v)
st.setBoolean(i, v)
}
override def setByte(i: Int, v: Byte): Unit = {
p(i, "Byte", v)
st.setByte(i, v)
}
override def setBytes(i: Int, v: Array[Byte]): Unit = {
p(i, "Bytes", v)
st.setBytes(i, v)
}
override def setDate(i: Int, v: js.Date, c: Calendar): Unit = {
p(i, "Date", (v, c))
st.setDate(i, v, c)
}
override def setDate(i: Int, v: js.Date): Unit = {
p(i, "Date", v)
st.setDate(i, v)
}
override def setDouble(i: Int, v: Double): Unit = {
p(i, "Double", v)
st.setDouble(i, v)
}
override def setFloat(i: Int, v: Float): Unit = {
p(i, "Float", v)
st.setFloat(i, v)
}
override def setInt(i: Int, v: Int): Unit = {
p(i, "Int", v)
st.setInt(i, v)
}
override def setLong(i: Int, v: Long): Unit = {
p(i, "Long", v)
st.setLong(i, v)
}
override def setNString(i: Int, v: String): Unit = {
p(i, "NString", v)
st.setNString(i, v)
}
override def setNull(i: Int, tp: Int, tpStr: String): Unit = {
p(i, (tp, tpStr), null)
st.setNull(i, tp, tpStr)
}
override def setNull(i: Int, tp: Int): Unit = {
p(i, tp, null)
st.setNull(i, tp)
}
override def setObject(i: Int, v: Any, tp: Int, scl: Int): Unit = {
p(i, (tp, scl), v)
st.setObject(i, v, tp, scl)
}
override def setObject(i: Int, v: Any, tp: Int): Unit = {
p(i, tp, v)
st.setObject(i, v, tp)
}
override def setObject(i: Int, v: Any): Unit = {
p(i, "Object", v)
st.setObject(i, v)
}
override def setRef(i: Int, v: js.Ref): Unit = {
p(i, "Ref", v)
st.setRef(i, v)
}
override def setRowId(i: Int, v: js.RowId): Unit = {
p(i, "RowId", v)
st.setRowId(i, v)
}
override def setSQLXML(i: Int, v: js.SQLXML): Unit = {
p(i, "SQLXML", v)
st.setSQLXML(i, v)
}
override def setShort(i: Int, v: Short): Unit = {
p(i, "Short", v)
st.setShort(i, v)
}
override def setString(i: Int, v: String): Unit = {
p(i, "String", v)
st.setString(i, v)
}
override def setTime(i: Int, v: js.Time, c: Calendar): Unit = {
p(i, "Time", (v, c))
st.setTime(i, v, c)
}
override def setTime(i: Int, v: js.Time): Unit = {
p(i, "Time", v)
st.setTime(i, v)
}
override def setTimestamp(i: Int, v: Timestamp, c: Calendar): Unit = {
p(i, "Timestamp", (v, c))
st.setTimestamp(i, v, c)
}
override def setTimestamp(i: Int, v: Timestamp): Unit = {
p(i, "Timestamp", v)
st.setTimestamp(i, v)
}
override def setURL(i: Int, v: URL): Unit = {
p(i, "URL", v)
st.setURL(i, v)
}
// hidden parameters
override def setAsciiStream(i: Int, v: InputStream): Unit = {
p(i, "AsciiStream", ())
st.setAsciiStream(i, v)
}
override def setAsciiStream(i: Int, v: InputStream, len: Long): Unit = {
p(i, "AsciiStream", ())
st.setAsciiStream(i, v, len)
}
override def setAsciiStream(i: Int, v: InputStream, len: Int): Unit = {
p(i, "AsciiStream", ())
st.setAsciiStream(i, v, len)
}
override def setBinaryStream(i: Int, v: InputStream): Unit = {
p(i, "BinaryStream", ())
st.setBinaryStream(i, v)
}
override def setBinaryStream(i: Int, v: InputStream, len: Long): Unit = {
p(i, "BinaryStream", ())
st.setBinaryStream(i, v, len)
}
override def setBinaryStream(i: Int, v: InputStream, len: Int): Unit = {
p(i, "BinaryStream", ())
st.setBinaryStream(i, v, len)
}
override def setBlob(i: Int, v: InputStream): Unit = {
p(i, "Blob", ())
st.setBlob(i, v)
}
override def setBlob(i: Int, v: InputStream, len: Long): Unit = {
p(i, "Blob", ())
st.setBlob(i, v, len)
}
override def setBlob(i: Int, v: js.Blob): Unit = {
p(i, "Blob", ())
st.setBlob(i, v)
}
override def setCharacterStream(i: Int, v: Reader): Unit = {
p(i, "CharacterStream", ())
st.setCharacterStream(i, v)
}
override def setCharacterStream(i: Int, v: Reader, len: Long): Unit = {
p(i, "CharacterStream", ())
st.setCharacterStream(i, v, len)
}
override def setCharacterStream(i: Int, v: Reader, len: Int): Unit = {
p(i, "CharacterStream", ())
st.setCharacterStream(i, v, len)
}
override def setClob(i: Int, v: Reader): Unit = {
p(i, "Clob", ())
st.setClob(i, v)
}
override def setClob(i: Int, v: Reader, len: Long): Unit = {
p(i, "Clob", ())
st.setClob(i, v, len)
}
override def setClob(i: Int, v: js.Clob): Unit = {
p(i, "Clob", ())
st.setClob(i, v)
}
override def setNCharacterStream(i: Int, v: Reader): Unit = {
p(i, "NCharacterStream", ())
st.setNCharacterStream(i, v)
}
override def setNCharacterStream(i: Int, v: Reader, len: Long): Unit = {
p(i, "NCharacterStream", ())
st.setNCharacterStream(i, v, len)
}
override def setNClob(i: Int, v: Reader): Unit = {
p(i, "NClob", ())
st.setNClob(i, v)
}
override def setNClob(i: Int, v: Reader, len: Long): Unit = {
p(i, "NClob", ())
st.setNClob(i, v, len)
}
override def setNClob(i: Int, v: js.NClob): Unit = {
p(i, "NClob", ())
st.setNClob(i, v)
}
@deprecated("setUnicodeStream is deprecated", "")
override def setUnicodeStream(i: Int, v: InputStream, len: Int): Unit = {
p(i, "UnicodeStream", ())
st.setUnicodeStream(i, v, len)
}
}