org.apache.flink.table.api

Class ApiExpression

java.lang.Object

org.apache.flink.table.api.internal.BaseExpressions<Object,ApiExpression>

org.apache.flink.table.api.ApiExpression

All Implemented Interfaces:

org.apache.flink.table.expressions.Expression

@PublicEvolving
public final class ApiExpression
extends BaseExpressions<Object,ApiExpression>
implements org.apache.flink.table.expressions.Expression

Java API class that gives access to expression operations.

See Also:

BaseExpressions

Method Summary

Modifier and Type	Method and Description
<R> R	accept(org.apache.flink.table.expressions.ExpressionVisitor<R> visitor)
String	asSummaryString()
List<org.apache.flink.table.expressions.Expression>	getChildren()
protected ApiExpression	toApiSpecificExpression(org.apache.flink.table.expressions.Expression expression)
org.apache.flink.table.expressions.Expression	toExpr()

Methods inherited from class org.apache.flink.table.api.internal.BaseExpressions

abs, acos, and, arrayContains, as, asc, ascii, asin, at, atan, avg, between, bin, cardinality, cast, cast, ceil, ceil, charLength, chr, collect, cos, cosh, cot, count, day, days, decode, degrees, desc, distinct, dividedBy, element, encode, end, exp, extract, firstValue, flatten, floor, floor, fromBase64, get, get, hex, hour, hours, ifNull, in, in, initCap, instr, isEqual, isFalse, isGreater, isGreaterOrEqual, isJson, isJson, isLess, isLessOrEqual, isNotEqual, isNotFalse, isNotNull, isNotTrue, isNull, isTrue, jsonExists, jsonExists, jsonQuery, jsonQuery, jsonQuery, jsonValue, jsonValue, jsonValue, jsonValue, lastValue, left, like, ln, locate, locate, log, log, log10, log2, lowerCase, lpad, ltrim, max, md5, milli, millis, min, minus, minute, minutes, mod, month, months, not, notBetween, or, over, overlay, overlay, parseUrl, parseUrl, plus, position, power, proctime, quarter, quarters, radians, regexp, regexpExtract, regexpExtract, regexpReplace, repeat, replace, reverse, right, round, rowtime, rpad, rtrim, second, seconds, sha1, sha2, sha224, sha256, sha384, sha512, sign, similar, sin, sinh, splitIndex, sqrt, start, stddevPop, stddevSamp, strToMap, strToMap, substr, substr, substring, substring, sum, sum0, tan, tanh, then, times, toBase64, toDate, toTime, toTimestamp, trim, trim, trimLeading, trimLeading, trimTrailing, trimTrailing, truncate, truncate, tryCast, upperCase, varPop, varSamp, week, weeks, year, years

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

asSummaryString

public String asSummaryString()

Specified by:

asSummaryString in interface org.apache.flink.table.expressions.Expression

toExpr

public org.apache.flink.table.expressions.Expression toExpr()

Specified by:

toExpr in class BaseExpressions<Object,ApiExpression>

toApiSpecificExpression

protected ApiExpression toApiSpecificExpression(org.apache.flink.table.expressions.Expression expression)

Specified by:

toApiSpecificExpression in class BaseExpressions<Object,ApiExpression>

getChildren

public List<org.apache.flink.table.expressions.Expression> getChildren()

Specified by:

getChildren in interface org.apache.flink.table.expressions.Expression

accept

public <R> R accept(org.apache.flink.table.expressions.ExpressionVisitor<R> visitor)

Specified by:

accept in interface org.apache.flink.table.expressions.Expression