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SQL Functions
String Functions ASCII CHAR_LENGTH / LENGTH OCTET_LENGTH CONCAT CONCAT_WS HEXTORAW LOWER / LCASE UPPER / UCASE LEFT RIGHT LOCATE / INSTR / POSITION LPAD RPAD LTRIM RT... -
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary ap empty of constructN converge curryN __ bin... -
JDO v JPA
There are several competing persistence technologies available for Java. Two of these are “standardised” (via the JCP). When developing your application you need to choose the mos... -
Config File Encryption And Decryption
Introduction How to use How to implement user-defined encryption and decryption Introduction In most production environments, sensitive configuration items such as passwords a... -
Procedures
Usage Named arguments Positional arguments Snapshot management rollback_to_snapshot Usage Output Example Change Data Capture create_changelog_view Usage Output Examples... -
Getting Started
Using Iceberg in Spark 3 Adding catalogs Creating a table Writing Reading Next steps The latest version of Iceberg is 1.5.2 . Spark is currently the most feature-rich compu... -
Bootstrapping
Approaches Use Hudi for new partitions alone Convert existing table to Hudi Using Hudi Streamer Using Spark Datasource Writer Using Spark SQL CALL Procedure Using Hudi CLI C... -
Navigation and Sidebars
Referencing Site Documents How Documents are Linked Adding Documents to a Sidebar Adding Subcategories Adding New Sidebars Additions to the Site Navigation Bar Adding Document... -
Attach-Detach
Detach All On Commit Copy On Attach Serialization of Detachable classes JDO provides an interface to the persistence of objects. JDO 1.0 didn’t provide a way of taking an objec... -
List
all any append concat drop zipWith zip xprod uniq filter find flatten head indexOf join lastIndexOf map nth pluck prepend range reduce reduceRight reject re...