java.lang.Object
- org.h2.engine.Constants

```
public class Constants
extends java.lang.Object
```
Constants are fixed values that are used in the whole database code.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ALLOW_LITERALS_ALL`	Constant meaning both numbers and text is allowed in SQL statements.
`static int`	`ALLOW_LITERALS_NONE`	Constant meaning no literals are allowed in SQL statements.
`static int`	`ALLOW_LITERALS_NUMBERS`	Constant meaning only numbers are allowed in SQL statements (but no texts).
`static boolean`	`BLOB_SEARCH`	Whether searching in Blob values should be supported.
`static java.lang.String`	`BUILD_DATE`	The build date is updated for each public release.
`static int`	`BUILD_ID`	Sequential version number.
`static boolean`	`BUILD_SNAPSHOT`	Whether this is a snapshot version.
`static java.lang.String`	`BUILD_VENDOR_AND_VERSION`	If H2 is compiled to be included in a product, this should be set to a unique vendor id (to distinguish from official releases).
`static int`	`CACHE_MIN_RECORDS`	The minimum number of entries to keep in the cache.
`static java.lang.String`	`CACHE_TYPE_DEFAULT`	The default cache type.
`static java.lang.String`	`CLUSTERING_DISABLED`	The value of the cluster setting if clustering is disabled.
`static java.lang.String`	`CLUSTERING_ENABLED`	The value of the cluster setting if clustering is enabled (the actual value is checked later).
`static java.lang.String`	`CONN_URL_COLUMNLIST`	The database URL used when calling a function if only the column list should be returned.
`static java.lang.String`	`CONN_URL_INTERNAL`	The database URL used when calling a function if the data should be returned.
`static int`	`COST_ROW_OFFSET`	The cost is calculated on rowcount + this offset, to avoid using the wrong or no index if the table contains no rows _currently_ (when preparing the statement)
`static int`	`DEADLOCK_CHECK`	The number of milliseconds after which to check for a deadlock if locking is not successful.
`static int`	`DEFAULT_HTTP_PORT`	The default port number of the HTTP server (for the H2 Console).
`static int`	`DEFAULT_LOCK_MODE`	The default value for the LOCK_MODE setting.
`static int`	`DEFAULT_MAX_LENGTH_INPLACE_LOB`	The default maximum length of an LOB that is stored with the record itself, and not in a separate place.
`static int`	`DEFAULT_MAX_OPERATION_MEMORY`	The default for the setting MAX_OPERATION_MEMORY.
`static int`	`DEFAULT_PAGE_SIZE`	The default page size to use for new databases.
`static int`	`DEFAULT_RESULT_SET_CONCURRENCY`	The default result set concurrency for statements created with Connection.createStatement() or prepareStatement(String sql).
`static int`	`DEFAULT_TCP_PORT`	The default port of the TCP server.
`static int`	`DEFAULT_WRITE_DELAY`	The default delay in milliseconds before the transaction log is written.
`static int`	`ENCRYPTION_KEY_HASH_ITERATIONS`	The password is hashed this many times to slow down dictionary attacks.
`static int`	`FILE_BLOCK_SIZE`	The block of a file.
`static java.lang.String`	`FULL_VERSION`	The complete version number of this database, consisting of the major version, the minor version, the build id, and the build date.
`static int`	`INFORMATION_SCHEMA_ID`	The identity of INFORMATION_SCHEMA.
`static int`	`INITIAL_LOCK_TIMEOUT`	For testing, the lock timeout is smaller than for interactive use cases.
`static int`	`IO_BUFFER_SIZE`	The block size for I/O operations.
`static int`	`IO_BUFFER_SIZE_COMPRESS`	The block size used to compress data in the LZFOutputStream.
`static int`	`LOCK_MODE_OFF`	The lock mode that means no locking is used at all.
`static int`	`LOCK_MODE_READ_COMMITTED`	The lock mode that means read locks are acquired, but they are released immediately after the statement is executed.
`static int`	`LOCK_MODE_TABLE`	The lock mode that means table level locking is used for reads and writes.
`static int`	`LOCK_MODE_TABLE_GC`	The lock mode that means table level locking is used for reads and writes.
`static int`	`LOCK_SLEEP`	The number of milliseconds to wait between checking the .lock.db file still exists once a database is locked.
`static int`	`MAIN_SCHEMA_ID`	The identity of PUBLIC schema.
`static int`	`MAX_ARRAY_CARDINALITY`	The maximum allowed cardinality of array.
`static int`	`MAX_COLUMNS`	The maximum number of columns in a table, select statement or row value.
`static int`	`MAX_IDENTIFIER_LENGTH`	The maximum allowed length of identifiers.
`static int`	`MAX_NUMERIC_PRECISION`	The maximum allowed precision of numeric data types.
`static int`	`MAX_PARAMETER_INDEX`	The highest possible parameter index.
`static int`	`MAX_STRING_LENGTH`	The maximum allowed length for character string, binary string, and other data types based on them; excluding LOB data types.
`static int`	`MEMORY_ARRAY`	The memory needed by an array.
`static int`	`MEMORY_OBJECT`	The memory needed by a regular object with at least one field.
`static int`	`MEMORY_POINTER`	The memory needed by a pointer.
`static int`	`MEMORY_ROW`	The memory needed by a Row.
`static int`	`PG_CATALOG_SCHEMA_ID`	The identity of pg_catalog schema.
`static java.lang.String`	`PG_VERSION`	Announced version for PgServer.
`static java.lang.String`	`PREFIX_INDEX`	The name prefix used for indexes that are not explicitly named.
`static java.lang.String`	`PREFIX_JOIN`	The name prefix used for synthetic nested join tables.
`static java.lang.String`	`PREFIX_PRIMARY_KEY`	The name prefix used for primary key constraints that are not explicitly named.
`static java.lang.String`	`PREFIX_QUERY_ALIAS`	The name prefix used for query aliases that are not explicitly named.
`static java.lang.String`	`PUBLIC_ROLE_NAME`	Every user belongs to this role.
`static int`	`QUERY_STATISTICS_MAX_ENTRIES`	The maximum number of entries in query statistics.
`static int`	`SALT_LEN`	The number of bytes in random salt that is used to hash passwords.
`static java.lang.String`	`SCHEMA_MAIN`	The name of the default schema.
`static java.lang.String`	`SCHEMA_PG_CATALOG`	The name of the pg_catalog schema.
`static int`	`SELECTIVITY_DEFAULT`	The default selectivity (used if the selectivity is not calculated).
`static int`	`SELECTIVITY_DISTINCT_COUNT`	The number of distinct values to keep in memory when running ANALYZE.
`static java.lang.String`	`SERVER_PROPERTIES_DIR`	The default directory name of the server properties file for the H2 Console.
`static java.lang.String`	`SERVER_PROPERTIES_NAME`	The name of the server properties file for the H2 Console.
`static long`	`SLOW_QUERY_LIMIT_MS`	Queries that take longer than this number of milliseconds are written to the trace file with the level info.
`static java.lang.String`	`START_URL`	The database URL prefix of this database.
`static java.lang.String`	`SUFFIX_LOCK_FILE`	The file name suffix of file lock files that are used to make sure a database is open by only one process at any time.
`static java.lang.String`	`SUFFIX_MV_FILE`	The file name suffix of a MVStore file.
`static java.lang.String`	`SUFFIX_MV_STORE_NEW_FILE`	The file name suffix of a new MVStore file, used when compacting a store.
`static java.lang.String`	`SUFFIX_MV_STORE_TEMP_FILE`	The file name suffix of a temporary MVStore file, used when compacting a store.
`static java.lang.String`	`SUFFIX_OLD_DATABASE_FILE`	The file name suffix of a H2 version 1.1 database file.
`static java.lang.String`	`SUFFIX_TEMP_FILE`	The file name suffix of temporary files.
`static java.lang.String`	`SUFFIX_TRACE_FILE`	The file name suffix of trace files.
`static int`	`TCP_PROTOCOL_VERSION_17`	The TCP protocol version number 17.
`static int`	`TCP_PROTOCOL_VERSION_18`	The TCP protocol version number 18.
`static int`	`TCP_PROTOCOL_VERSION_19`	The TCP protocol version number 19.
`static int`	`TCP_PROTOCOL_VERSION_20`	The TCP protocol version number 20.
`static int`	`TCP_PROTOCOL_VERSION_MAX_SUPPORTED`	Maximum supported version of TCP protocol.
`static int`	`TCP_PROTOCOL_VERSION_MIN_SUPPORTED`	Minimum supported version of TCP protocol.
`static int`	`THROTTLE_DELAY`	How often we check to see if we need to apply a throttling delay if SET THROTTLE has been used.
`static int`	`TRANSACTION_SNAPSHOT`	SNAPSHOT isolation level of transaction.
`static java.lang.String`	`URL_FORMAT`	The database URL format in simplified Backus-Naur form.
`static java.lang.String`	`USER_PACKAGE`	The package name of user defined classes.
`static java.lang.String`	`VERSION`	The version of this product, consisting of major version, minor version, and build id.
`static int`	`VERSION_MAJOR`	The major version of this database.
`static int`	`VERSION_MINOR`	The minor version of this database.
`static int`	`VIEW_COST_CACHE_MAX_AGE`	The maximum time in milliseconds to keep the cost of a view.
`static int`	`VIEW_INDEX_CACHE_SIZE`	The name of the index cache that is used for temporary view (subqueries used as tables).

Constructor Summary

Constructors
Modifier Constructor Description

private Constants()

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - BUILD_DATE
```
public static final java.lang.String BUILD_DATE
```
    The build date is updated for each public release.
    
    See Also:
    
    Constant Field Values
  - BUILD_ID
```
public static final int BUILD_ID
```
    Sequential version number. Even numbers are used for official releases, odd numbers are used for development builds.
    
    See Also:
    
    Constant Field Values
  - BUILD_SNAPSHOT
```
public static final boolean BUILD_SNAPSHOT
```
    Whether this is a snapshot version.
    
    See Also:
    
    Constant Field Values
  - BUILD_VENDOR_AND_VERSION
```
public static final java.lang.String BUILD_VENDOR_AND_VERSION
```
    If H2 is compiled to be included in a product, this should be set to a unique vendor id (to distinguish from official releases). Additionally, a version number should be set to distinguish releases. Example: ACME_SVN1651_BUILD3
  - TCP_PROTOCOL_VERSION_17
```
public static final int TCP_PROTOCOL_VERSION_17
```
    The TCP protocol version number 17.
    
    Since:
    
    1.4.197 (2018-03-18)
    
    See Also:
    
    Constant Field Values
  - TCP_PROTOCOL_VERSION_18
```
public static final int TCP_PROTOCOL_VERSION_18
```
    The TCP protocol version number 18.
    
    Since:
    
    1.4.198 (2019-02-22)
    
    See Also:
    
    Constant Field Values
  - TCP_PROTOCOL_VERSION_19
```
public static final int TCP_PROTOCOL_VERSION_19
```
    The TCP protocol version number 19.
    
    Since:
    
    1.4.200 (2019-10-14)
    
    See Also:
    
    Constant Field Values
  - TCP_PROTOCOL_VERSION_20
```
public static final int TCP_PROTOCOL_VERSION_20
```
    The TCP protocol version number 20.
    
    Since:
    
    2.0.202 (2021-11-25)
    
    See Also:
    
    Constant Field Values
  - TCP_PROTOCOL_VERSION_MIN_SUPPORTED
```
public static final int TCP_PROTOCOL_VERSION_MIN_SUPPORTED
```
    Minimum supported version of TCP protocol.
    
    See Also:
    
    Constant Field Values
  - TCP_PROTOCOL_VERSION_MAX_SUPPORTED
```
public static final int TCP_PROTOCOL_VERSION_MAX_SUPPORTED
```
    Maximum supported version of TCP protocol.
    
    See Also:
    
    Constant Field Values
  - VERSION_MAJOR
```
public static final int VERSION_MAJOR
```
    The major version of this database.
    
    See Also:
    
    Constant Field Values
  - VERSION_MINOR
```
public static final int VERSION_MINOR
```
    The minor version of this database.
    
    See Also:
    
    Constant Field Values
  - LOCK_MODE_OFF
```
public static final int LOCK_MODE_OFF
```
    The lock mode that means no locking is used at all.
    
    See Also:
    
    Constant Field Values
  - LOCK_MODE_READ_COMMITTED
```
public static final int LOCK_MODE_READ_COMMITTED
```
    The lock mode that means read locks are acquired, but they are released immediately after the statement is executed.
    
    See Also:
    
    Constant Field Values
  - LOCK_MODE_TABLE
```
public static final int LOCK_MODE_TABLE
```
    The lock mode that means table level locking is used for reads and writes.
    
    See Also:
    
    Constant Field Values
  - LOCK_MODE_TABLE_GC
```
public static final int LOCK_MODE_TABLE_GC
```
    The lock mode that means table level locking is used for reads and writes. If a table is locked, System.gc is called to close forgotten connections.
    
    See Also:
    
    Constant Field Values
  - ALLOW_LITERALS_ALL
```
public static final int ALLOW_LITERALS_ALL
```
    Constant meaning both numbers and text is allowed in SQL statements.
    
    See Also:
    
    Constant Field Values
  - ALLOW_LITERALS_NONE
```
public static final int ALLOW_LITERALS_NONE
```
    Constant meaning no literals are allowed in SQL statements.
    
    See Also:
    
    Constant Field Values
  - ALLOW_LITERALS_NUMBERS
```
public static final int ALLOW_LITERALS_NUMBERS
```
    Constant meaning only numbers are allowed in SQL statements (but no texts).
    
    See Also:
    
    Constant Field Values
  - TRANSACTION_SNAPSHOT
```
public static final int TRANSACTION_SNAPSHOT
```
    SNAPSHOT isolation level of transaction.
    
    See Also:
    
    Constant Field Values
  - BLOB_SEARCH
```
public static final boolean BLOB_SEARCH
```
    Whether searching in Blob values should be supported.
    
    See Also:
    
    Constant Field Values
  - CACHE_MIN_RECORDS
```
public static final int CACHE_MIN_RECORDS
```
    The minimum number of entries to keep in the cache.
    
    See Also:
    
    Constant Field Values
  - CACHE_TYPE_DEFAULT
```
public static final java.lang.String CACHE_TYPE_DEFAULT
```
    The default cache type.
    
    See Also:
    
    Constant Field Values
  - CLUSTERING_DISABLED
```
public static final java.lang.String CLUSTERING_DISABLED
```
    The value of the cluster setting if clustering is disabled.
    
    See Also:
    
    Constant Field Values
  - CLUSTERING_ENABLED
```
public static final java.lang.String CLUSTERING_ENABLED
```
    The value of the cluster setting if clustering is enabled (the actual value is checked later).
    
    See Also:
    
    Constant Field Values
  - CONN_URL_COLUMNLIST
```
public static final java.lang.String CONN_URL_COLUMNLIST
```
    The database URL used when calling a function if only the column list should be returned.
    
    See Also:
    
    Constant Field Values
  - CONN_URL_INTERNAL
```
public static final java.lang.String CONN_URL_INTERNAL
```
    The database URL used when calling a function if the data should be returned.
    
    See Also:
    
    Constant Field Values
  - COST_ROW_OFFSET
```
public static final int COST_ROW_OFFSET
```
    The cost is calculated on rowcount + this offset, to avoid using the wrong or no index if the table contains no rows _currently_ (when preparing the statement)
    
    See Also:
    
    Constant Field Values
  - DEADLOCK_CHECK
```
public static final int DEADLOCK_CHECK
```
    The number of milliseconds after which to check for a deadlock if locking is not successful.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_HTTP_PORT
```
public static final int DEFAULT_HTTP_PORT
```
    The default port number of the HTTP server (for the H2 Console). This value is also in the documentation and in the Server javadoc.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_LOCK_MODE
```
public static final int DEFAULT_LOCK_MODE
```
    The default value for the LOCK_MODE setting.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_MAX_LENGTH_INPLACE_LOB
```
public static final int DEFAULT_MAX_LENGTH_INPLACE_LOB
```
    The default maximum length of an LOB that is stored with the record itself, and not in a separate place.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_MAX_OPERATION_MEMORY
```
public static final int DEFAULT_MAX_OPERATION_MEMORY
```
    The default for the setting MAX_OPERATION_MEMORY.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_PAGE_SIZE
```
public static final int DEFAULT_PAGE_SIZE
```
    The default page size to use for new databases.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_RESULT_SET_CONCURRENCY
```
public static final int DEFAULT_RESULT_SET_CONCURRENCY
```
    The default result set concurrency for statements created with Connection.createStatement() or prepareStatement(String sql).
    
    See Also:
    
    Constant Field Values
  - DEFAULT_TCP_PORT
```
public static final int DEFAULT_TCP_PORT
```
    The default port of the TCP server. This port is also used in the documentation and in the Server javadoc.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_WRITE_DELAY
```
public static final int DEFAULT_WRITE_DELAY
```
    The default delay in milliseconds before the transaction log is written.
    
    See Also:
    
    Constant Field Values
  - ENCRYPTION_KEY_HASH_ITERATIONS
```
public static final int ENCRYPTION_KEY_HASH_ITERATIONS
```
    The password is hashed this many times to slow down dictionary attacks.
    
    See Also:
    
    Constant Field Values
  - FILE_BLOCK_SIZE
```
public static final int FILE_BLOCK_SIZE
```
    The block of a file. It is also the encryption block size.
    
    See Also:
    
    Constant Field Values
  - INITIAL_LOCK_TIMEOUT
```
public static final int INITIAL_LOCK_TIMEOUT
```
    For testing, the lock timeout is smaller than for interactive use cases. This value could be increased to about 5 or 10 seconds.
    
    See Also:
    
    Constant Field Values
  - IO_BUFFER_SIZE
```
public static final int IO_BUFFER_SIZE
```
    The block size for I/O operations.
    
    See Also:
    
    Constant Field Values
  - IO_BUFFER_SIZE_COMPRESS
```
public static final int IO_BUFFER_SIZE_COMPRESS
```
    The block size used to compress data in the LZFOutputStream.
    
    See Also:
    
    Constant Field Values
  - LOCK_SLEEP
```
public static final int LOCK_SLEEP
```
    The number of milliseconds to wait between checking the .lock.db file still exists once a database is locked.
    
    See Also:
    
    Constant Field Values
  - MAX_IDENTIFIER_LENGTH
```
public static final int MAX_IDENTIFIER_LENGTH
```
    The maximum allowed length of identifiers.
    
    See Also:
    
    Constant Field Values
  - MAX_COLUMNS
```
public static final int MAX_COLUMNS
```
    The maximum number of columns in a table, select statement or row value.
    
    See Also:
    
    Constant Field Values
  - MAX_STRING_LENGTH
```
public static final int MAX_STRING_LENGTH
```
    The maximum allowed length for character string, binary string, and other data types based on them; excluding LOB data types.
    
    See Also:
    
    Constant Field Values
  - MAX_NUMERIC_PRECISION
```
public static final int MAX_NUMERIC_PRECISION
```
    The maximum allowed precision of numeric data types.
    
    See Also:
    
    Constant Field Values
  - MAX_ARRAY_CARDINALITY
```
public static final int MAX_ARRAY_CARDINALITY
```
    The maximum allowed cardinality of array.
    
    See Also:
    
    Constant Field Values
  - MAX_PARAMETER_INDEX
```
public static final int MAX_PARAMETER_INDEX
```
    The highest possible parameter index.
    
    See Also:
    
    Constant Field Values
  - MEMORY_OBJECT
```
public static final int MEMORY_OBJECT
```
    The memory needed by a regular object with at least one field.
    
    See Also:
    
    Constant Field Values
  - MEMORY_ARRAY
```
public static final int MEMORY_ARRAY
```
    The memory needed by an array.
    
    See Also:
    
    Constant Field Values
  - MEMORY_POINTER
```
public static final int MEMORY_POINTER
```
    The memory needed by a pointer.
    
    See Also:
    
    Constant Field Values
  - MEMORY_ROW
```
public static final int MEMORY_ROW
```
    The memory needed by a Row.
    
    See Also:
    
    Constant Field Values
  - PREFIX_INDEX
```
public static final java.lang.String PREFIX_INDEX
```
    The name prefix used for indexes that are not explicitly named.
    
    See Also:
    
    Constant Field Values
  - PREFIX_JOIN
```
public static final java.lang.String PREFIX_JOIN
```
    The name prefix used for synthetic nested join tables.
    
    See Also:
    
    Constant Field Values
  - PREFIX_PRIMARY_KEY
```
public static final java.lang.String PREFIX_PRIMARY_KEY
```
    The name prefix used for primary key constraints that are not explicitly named.
    
    See Also:
    
    Constant Field Values
  - PREFIX_QUERY_ALIAS
```
public static final java.lang.String PREFIX_QUERY_ALIAS
```
    The name prefix used for query aliases that are not explicitly named.
    
    See Also:
    
    Constant Field Values
  - PUBLIC_ROLE_NAME
```
public static final java.lang.String PUBLIC_ROLE_NAME
```
    Every user belongs to this role.
    
    See Also:
    
    Constant Field Values
  - SALT_LEN
```
public static final int SALT_LEN
```
    The number of bytes in random salt that is used to hash passwords.
    
    See Also:
    
    Constant Field Values
  - INFORMATION_SCHEMA_ID
```
public static final int INFORMATION_SCHEMA_ID
```
    The identity of INFORMATION_SCHEMA.
    
    See Also:
    
    Constant Field Values
  - MAIN_SCHEMA_ID
```
public static final int MAIN_SCHEMA_ID
```
    The identity of PUBLIC schema.
    
    See Also:
    
    Constant Field Values
  - SCHEMA_MAIN
```
public static final java.lang.String SCHEMA_MAIN
```
    The name of the default schema.
    
    See Also:
    
    Constant Field Values
  - PG_CATALOG_SCHEMA_ID
```
public static final int PG_CATALOG_SCHEMA_ID
```
    The identity of pg_catalog schema.
    
    See Also:
    
    Constant Field Values
  - SCHEMA_PG_CATALOG
```
public static final java.lang.String SCHEMA_PG_CATALOG
```
    The name of the pg_catalog schema.
    
    See Also:
    
    Constant Field Values
  - SELECTIVITY_DEFAULT
```
public static final int SELECTIVITY_DEFAULT
```
    The default selectivity (used if the selectivity is not calculated).
    
    See Also:
    
    Constant Field Values
  - SELECTIVITY_DISTINCT_COUNT
```
public static final int SELECTIVITY_DISTINCT_COUNT
```
    The number of distinct values to keep in memory when running ANALYZE.
    
    See Also:
    
    Constant Field Values
  - SERVER_PROPERTIES_DIR
```
public static final java.lang.String SERVER_PROPERTIES_DIR
```
    The default directory name of the server properties file for the H2 Console.
    
    See Also:
    
    Constant Field Values
  - SERVER_PROPERTIES_NAME
```
public static final java.lang.String SERVER_PROPERTIES_NAME
```
    The name of the server properties file for the H2 Console.
    
    See Also:
    
    Constant Field Values
  - SLOW_QUERY_LIMIT_MS
```
public static final long SLOW_QUERY_LIMIT_MS
```
    Queries that take longer than this number of milliseconds are written to the trace file with the level info.
    
    See Also:
    
    Constant Field Values
  - START_URL
```
public static final java.lang.String START_URL
```
    The database URL prefix of this database.
    
    See Also:
    
    Constant Field Values
  - SUFFIX_LOCK_FILE
```
public static final java.lang.String SUFFIX_LOCK_FILE
```
    The file name suffix of file lock files that are used to make sure a database is open by only one process at any time.
    
    See Also:
    
    Constant Field Values
  - SUFFIX_OLD_DATABASE_FILE
```
public static final java.lang.String SUFFIX_OLD_DATABASE_FILE
```
    The file name suffix of a H2 version 1.1 database file.
    
    See Also:
    
    Constant Field Values
  - SUFFIX_MV_FILE
```
public static final java.lang.String SUFFIX_MV_FILE
```
    The file name suffix of a MVStore file.
    
    See Also:
    
    Constant Field Values
  - SUFFIX_MV_STORE_NEW_FILE
```
public static final java.lang.String SUFFIX_MV_STORE_NEW_FILE
```
    The file name suffix of a new MVStore file, used when compacting a store.
    
    See Also:
    
    Constant Field Values
  - SUFFIX_MV_STORE_TEMP_FILE
```
public static final java.lang.String SUFFIX_MV_STORE_TEMP_FILE
```
    The file name suffix of a temporary MVStore file, used when compacting a store.
    
    See Also:
    
    Constant Field Values
  - SUFFIX_TEMP_FILE
```
public static final java.lang.String SUFFIX_TEMP_FILE
```
    The file name suffix of temporary files.
    
    See Also:
    
    Constant Field Values
  - SUFFIX_TRACE_FILE
```
public static final java.lang.String SUFFIX_TRACE_FILE
```
    The file name suffix of trace files.
    
    See Also:
    
    Constant Field Values
  - THROTTLE_DELAY
```
public static final int THROTTLE_DELAY
```
    How often we check to see if we need to apply a throttling delay if SET THROTTLE has been used.
    
    See Also:
    
    Constant Field Values
  - URL_FORMAT
```
public static final java.lang.String URL_FORMAT
```
    The database URL format in simplified Backus-Naur form.
    
    See Also:
    
    Constant Field Values
  - USER_PACKAGE
```
public static final java.lang.String USER_PACKAGE
```
    The package name of user defined classes.
    
    See Also:
    
    Constant Field Values
  - VIEW_COST_CACHE_MAX_AGE
```
public static final int VIEW_COST_CACHE_MAX_AGE
```
    The maximum time in milliseconds to keep the cost of a view. 10000 means 10 seconds.
    
    See Also:
    
    Constant Field Values
  - VIEW_INDEX_CACHE_SIZE
```
public static final int VIEW_INDEX_CACHE_SIZE
```
    The name of the index cache that is used for temporary view (subqueries used as tables).
    
    See Also:
    
    Constant Field Values
  - QUERY_STATISTICS_MAX_ENTRIES
```
public static final int QUERY_STATISTICS_MAX_ENTRIES
```
    The maximum number of entries in query statistics.
    
    See Also:
    
    Constant Field Values
  - PG_VERSION
```
public static final java.lang.String PG_VERSION
```
    Announced version for PgServer.
    
    See Also:
    
    Constant Field Values
  - VERSION
```
public static final java.lang.String VERSION
```
    The version of this product, consisting of major version, minor version, and build id.
  - FULL_VERSION
```
public static final java.lang.String FULL_VERSION
```
    The complete version number of this database, consisting of the major version, the minor version, the build id, and the build date.
- Constructor Detail
  - Constants
```
private Constants()
```

Class Constants

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

BUILD_DATE

BUILD_ID

BUILD_SNAPSHOT

BUILD_VENDOR_AND_VERSION

TCP_PROTOCOL_VERSION_17

TCP_PROTOCOL_VERSION_18

TCP_PROTOCOL_VERSION_19

TCP_PROTOCOL_VERSION_20

TCP_PROTOCOL_VERSION_MIN_SUPPORTED

TCP_PROTOCOL_VERSION_MAX_SUPPORTED

VERSION_MAJOR

VERSION_MINOR

LOCK_MODE_OFF

LOCK_MODE_READ_COMMITTED

LOCK_MODE_TABLE

LOCK_MODE_TABLE_GC

ALLOW_LITERALS_ALL

ALLOW_LITERALS_NONE

ALLOW_LITERALS_NUMBERS

TRANSACTION_SNAPSHOT

BLOB_SEARCH

CACHE_MIN_RECORDS

CACHE_TYPE_DEFAULT

CLUSTERING_DISABLED

CLUSTERING_ENABLED

CONN_URL_COLUMNLIST

CONN_URL_INTERNAL

COST_ROW_OFFSET

DEADLOCK_CHECK

DEFAULT_HTTP_PORT

DEFAULT_LOCK_MODE

DEFAULT_MAX_LENGTH_INPLACE_LOB

DEFAULT_MAX_OPERATION_MEMORY

DEFAULT_PAGE_SIZE

DEFAULT_RESULT_SET_CONCURRENCY

DEFAULT_TCP_PORT

DEFAULT_WRITE_DELAY

ENCRYPTION_KEY_HASH_ITERATIONS

FILE_BLOCK_SIZE

INITIAL_LOCK_TIMEOUT

IO_BUFFER_SIZE

IO_BUFFER_SIZE_COMPRESS

LOCK_SLEEP

MAX_IDENTIFIER_LENGTH

MAX_COLUMNS

MAX_STRING_LENGTH

MAX_NUMERIC_PRECISION

MAX_ARRAY_CARDINALITY

MAX_PARAMETER_INDEX

MEMORY_OBJECT

MEMORY_ARRAY

MEMORY_POINTER

MEMORY_ROW

PREFIX_INDEX

PREFIX_JOIN

PREFIX_PRIMARY_KEY

PREFIX_QUERY_ALIAS

PUBLIC_ROLE_NAME

SALT_LEN

INFORMATION_SCHEMA_ID

MAIN_SCHEMA_ID

SCHEMA_MAIN

PG_CATALOG_SCHEMA_ID

SCHEMA_PG_CATALOG

SELECTIVITY_DEFAULT

SELECTIVITY_DISTINCT_COUNT

SERVER_PROPERTIES_DIR

SERVER_PROPERTIES_NAME

SLOW_QUERY_LIMIT_MS

START_URL

SUFFIX_LOCK_FILE

SUFFIX_OLD_DATABASE_FILE

SUFFIX_MV_FILE

SUFFIX_MV_STORE_NEW_FILE