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  • Introduction
    • Overview
    • Node and Edge Patterns
    • Path Patterns
    • Quantified Paths
    • Shortest Paths
    • Graph Patterns
    • Overview
    • Typed Graph
    • Open Graph
    • Graph Sharding and Storage
    • Constraints
    • Unique Identifiers
    • INSERT
    • INSERT OVERWRITE
    • UPSERT
    • SET
    • REMOVE
    • DELETE
    • Query Composition
    • Result Table and Visualization
    • MATCH
    • OPTIONAL MATCH
    • FILTER
    • LET
    • FOR
    • ORDER BY
    • LIMIT
    • SKIP
    • CALL
    • RETURN
    • Composite Query
    • NEXT
    • All Functions
    • Scalar Functions
    • Path Functions
    • Aggregate Functions
    • Mathematical Functions
    • Trigonometric Functions
    • String Functions
    • List Functions
    • Datetime Functions
    • Spatial Functions
    • Label Functions
    • Record Functions
    • Table Functions
  • Operators
  • Predicates
    • CASE
    • NULLIF
    • COALESCE
    • LET Value Expression
    • Value Query Expression
    • Index
    • Full-text Index
    • Vector Index
    • Spatial Index
    • Overview
    • Managing HDC Graphs
    • HDC Graph Queries
  • Transaction
  • Trigger
  • Stored Procedure
    • Process
    • Session
    • Job
    • Execution Plan
    • Variables
    • Values and Types
    • Comments
    • Reserved Words
    • Syntactic Notation
  • Access Control
  • GQL Conformance
  1. Docs
  2. /
  3. ISO GQL
  4. /
  5. Syntax

Reserved Words

Reserved words in GQL are terms with predefined meanings that influence query behavior. GQL has the following reserved words written in uppercases. When any of these words have uppercase letters replaced by lowercase, they are still recognized as reserved words.

Reserved words are not recommended to be used as identifiers for variables, node/edge schemas (labels), and properties.

A

  • ABS
  • ABSTRACT
  • ACOS
  • AGGREGATE
  • AGGREGATES
  • ALL
  • ALL_DIFFERENT
  • ALTER
  • AND
  • ANY
  • ARRAY
  • AS
  • ASC
  • ASCENDING
  • ASIN
  • AT
  • ATAN
  • AVG

B

  • BIG
  • BIGINT
  • BINARY
  • BOOL
  • BOOLEAN
  • BOTH
  • BTRIM
  • BY
  • BYTE_LENGTH
  • BYTES

C

  • CALL
  • CARDINALITY
  • CASE
  • CAST
  • CATALOG
  • CEIL
  • CEILING
  • CHAR
  • CHAR_LENGTH
  • CHARACTER_LENGTH
  • CHARACTERISTICS
  • CLEAR
  • CLONE
  • CLOSE
  • COALESCE
  • COLLECT_LIST
  • COMMIT
  • CONSTRAINT
  • COPY
  • COS
  • COSH
  • COT
  • COUNT
  • CREATE
  • CURRENT_DATE
  • CURRENT_GRAPH
  • CURRENT_PROPERTY_GRAPH
  • CURRENT_ROLE
  • CURRENT_SCHEMA
  • CURRENT_TIME
  • CURRENT_TIMESTAMP
  • CURRENT_USER

D

  • DATA
  • DATE
  • DATETIME
  • DAY
  • DEC
  • DECIMAL
  • DEGREES
  • DELETE
  • DESC
  • DESCENDING
  • DETACH
  • DIRECTORY
  • DISTINCT
  • DOUBLE
  • DROP
  • DRYRUN
  • DURATION
  • DURATION_BETWEEN

E

  • ELEMENT_ID
  • ELSE
  • END
  • EXACT
  • EXCEPT
  • EXISTS
  • EXISTING
  • EXP

F

  • FILTER
  • FINISH
  • FLOAT
  • FLOAT16
  • FLOAT32
  • FLOAT64
  • FLOAT128
  • FLOAT256
  • FLOOR
  • FOR
  • FROM
  • FUNCTION

G

  • GQLSTATUS
  • GRANT
  • GROUP

H

  • HAVING
  • HOME_GRAPH
  • HOME_PROPERTY_GRAPH
  • HOME_SCHEMA
  • HOUR

I

  • IF
  • IMPLIES
  • IN
  • INFINITY
  • INSERT
  • INSTANT
  • INT
  • INTEGER
  • INT8
  • INTEGER8
  • INT16
  • INTEGER16
  • INT32
  • INTEGER32
  • INT64
  • INTEGER64
  • INT128
  • INTEGER128
  • INT256
  • INTEGER256
  • INTERSECT
  • INTERVAL
  • IS

L

  • LEADING
  • LEFT
  • LET
  • LIKE
  • LIMIT
  • LIST
  • LN
  • LOCAL
  • LOCAL_DATETIME
  • LOCAL_TIME
  • LOCAL_TIMESTAMP
  • LOG
  • LOG10
  • LOWER
  • LTRIM

M

  • MATCH
  • MAX
  • MIN
  • MINUTE
  • MOD
  • MONTH

N

  • NEXT
  • NODETACH
  • NORMALIZE
  • NOT
  • NOTHING
  • NULL
  • NULLS
  • NULLIF
  • NUMBER
  • NUMERIC

O

  • OCTET_LENGTH
  • OF
  • OFFSET
  • ON
  • OPEN
  • OPTIONAL
  • OR
  • ORDER
  • OTHERWISE

P

  • PARAMETER
  • PARAMETERS
  • PARTITION
  • PATH
  • PATH_LENGTH
  • PATHS
  • PERCENTILE_CONT
  • PERCENTILE_DISC
  • POWER
  • PRECISION
  • PROCEDURE
  • PRODUCT
  • PROJECT
  • PROPERTY_EXISTS

Q

  • QUERY

R

  • RADIANS
  • REAL
  • RECORD
  • RECORDS
  • REFERENCE
  • REMOVE
  • RENAME
  • REPLACE
  • RESET
  • RETURN
  • REVOKE
  • RIGHT
  • ROLLBACK
  • RTRIM

S

  • SAME
  • SCHEMA
  • SECOND
  • SELECT
  • SESSION
  • SESSION_USER
  • SET
  • SIGNED
  • SIN
  • SINH
  • SIZE
  • SKIP
  • SMALL
  • SMALLINT
  • SQRT
  • START
  • STDDEV_POP
  • STDDEV_SAMP
  • STRING
  • SUBSTRING
  • SUM
  • SYSTEM_USER

T

  • TAN
  • TANH
  • TEMPORAL
  • THEN
  • TIME
  • TIMESTAMP
  • TRAILING
  • TRIM
  • TRUE
  • TYPED

U

  • UBIGINT
  • UINT
  • UINT8
  • UINT16
  • UINT32
  • UINT64
  • UINT128
  • UINT256
  • UNION
  • UNIQUE
  • UNIT
  • UNKNOWN
  • UNSIGNED
  • UPPER
  • USE
  • USMALLINT

V

  • VALUE
  • VALUES
  • VARBINARY
  • VARCHAR
  • VARIABLE

W

  • WHEN
  • WHERE
  • WHITESPACE
  • WITH

X

  • XOR

Y

  • YEAR
  • YIELD

Z

  • ZONED
  • ZONED_DATETIME
  • ZONED_TIME