Integrate SAP Hana as supported Spring Batch database

This commit adds SAP HANA as a supported Spring Batch database, enabling
developers to seamlessly move their existing Spring Batch projects to SAP HANA
or easily starting new Spring Batch projects on SAP HANA.

This commit contains the following changes:

- Add SAP HANA to the DatabaseType enum
- Add HanaPagingQueryProvider and tests
- Add properties files for SAP HANA

Issue #2515

spring-batch-samples/src/main/resources/batch-hana.properties

@@ -0,0 +1,20 @@
+# Placeholders batch.*
+#    for SAP HANA:
+batch.jdbc.driver=com.sap.db.jdbc.Driver
+batch.jdbc.url=jdbc:sap://localhost:39015/
+batch.jdbc.user=SPRING_TEST
+batch.jdbc.password=Spr1ng_test
+batch.jdbc.testWhileIdle=false
+batch.jdbc.validationQuery=
+batch.drop.script=classpath:/org/springframework/batch/core/schema-drop-hana.sql
+batch.schema.script=classpath:/org/springframework/batch/core/schema-hana.sql
+batch.business.schema.script=business-schema-hana.sql
+batch.database.incrementer.class=org.springframework.jdbc.support.incrementer.HanaSequenceMaxValueIncrementer
+batch.database.incrementer.parent=sequenceIncrementerParent
+batch.lob.handler.class=org.springframework.jdbc.support.lob.DefaultLobHandler
+batch.grid.size=2
+batch.jdbc.pool.size=6
+batch.verify.cursor.position=true
+batch.isolationlevel=ISOLATION_SERIALIZABLE
+batch.table.prefix=BATCH_
+

spring-batch-samples/src/main/resources/business-schema-hana.sql

@@ -0,0 +1,94 @@
+-- Autogenerated: do not edit this file
+-- You might need to remove this section the first time you run against a clean database
+DROP SEQUENCE  BATCH_STAGING_SEQ ;
+DROP SEQUENCE  TRADE_SEQ ;
+DROP SEQUENCE  CUSTOMER_SEQ ;
+DROP TABLE  BATCH_STAGING ;
+DROP TABLE  TRADE ;
+DROP TABLE  CUSTOMER ;
+DROP TABLE  PLAYERS ;
+DROP TABLE  GAMES ;
+DROP TABLE  PLAYER_SUMMARY ;
+DROP TABLE  ERROR_LOG ;
+
+-- Autogenerated: do not edit this file
+
+CREATE SEQUENCE CUSTOMER_SEQ START WITH 5 MINVALUE 0;
+CREATE SEQUENCE BATCH_STAGING_SEQ START WITH 0 MINVALUE 0;
+CREATE SEQUENCE TRADE_SEQ START WITH 0 MINVALUE 0;
+
+CREATE TABLE BATCH_STAGING  (
+	ID BIGINT  NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,  
+	JOB_ID BIGINT NOT NULL,
+	VALUE BLOB NOT NULL,
+	PROCESSED CHAR(1) NOT NULL
+) ;
+
+CREATE TABLE TRADE  (
+	ID BIGINT  NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,  
+	VERSION BIGINT ,
+	ISIN VARCHAR(45) NOT NULL, 
+	QUANTITY BIGINT ,
+	PRICE DECIMAL(8,2) , 
+	CUSTOMER VARCHAR(45) 
+) ;
+ 
+CREATE TABLE CUSTOMER (
+	ID BIGINT  NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,  
+	VERSION BIGINT ,
+	NAME VARCHAR(45) ,
+	CREDIT DECIMAL(10,2) 
+) ;
+ 
+INSERT INTO CUSTOMER (ID, VERSION, NAME, CREDIT) VALUES (1, 0, 'customer1', 100000);
+INSERT INTO CUSTOMER (ID, VERSION, NAME, CREDIT) VALUES (2, 0, 'customer2', 100000);
+INSERT INTO CUSTOMER (ID, VERSION, NAME, CREDIT) VALUES (3, 0, 'customer3', 100000);
+INSERT INTO CUSTOMER (ID, VERSION, NAME, CREDIT) VALUES (4, 0, 'customer4', 100000);
+
+CREATE TABLE PLAYERS (
+	PLAYER_ID CHAR(8) NOT NULL PRIMARY KEY,  
+	LAST_NAME VARCHAR(35) NOT NULL,
+	FIRST_NAME VARCHAR(25) NOT NULL,
+	POS VARCHAR(10) ,
+	YEAR_OF_BIRTH BIGINT NOT NULL,
+	YEAR_DRAFTED BIGINT NOT NULL
+) ;
+
+CREATE TABLE GAMES (
+   PLAYER_ID CHAR(8) NOT NULL,
+   YEAR_NO      BIGINT NOT NULL,
+   TEAM      CHAR(3) NOT NULL,
+   WEEK      BIGINT NOT NULL,
+   OPPONENT  CHAR(3) ,
+   COMPLETES BIGINT ,
+   ATTEMPTS  BIGINT ,
+   PASSING_YARDS BIGINT ,
+   PASSING_TD    BIGINT ,
+   INTERCEPTIONS BIGINT ,
+   RUSHES BIGINT ,
+   RUSH_YARDS BIGINT ,
+   RECEPTIONS BIGINT ,
+   RECEPTIONS_YARDS BIGINT ,
+   TOTAL_TD BIGINT 
+) ;
+
+CREATE TABLE PLAYER_SUMMARY  (
+		  ID CHAR(8) NOT NULL, 
+		  YEAR_NO BIGINT NOT NULL,
+		  COMPLETES BIGINT NOT NULL , 
+		  ATTEMPTS BIGINT NOT NULL , 
+		  PASSING_YARDS BIGINT NOT NULL , 
+		  PASSING_TD BIGINT NOT NULL , 
+		  INTERCEPTIONS BIGINT NOT NULL , 
+		  RUSHES BIGINT NOT NULL , 
+		  RUSH_YARDS BIGINT NOT NULL , 
+		  RECEPTIONS BIGINT NOT NULL , 
+		  RECEPTIONS_YARDS BIGINT NOT NULL , 
+		  TOTAL_TD BIGINT NOT NULL
+) ;
+
+CREATE TABLE ERROR_LOG  (
+		JOB_NAME CHAR(20) ,
+		STEP_NAME CHAR(20) ,
+		MESSAGE VARCHAR(300) NOT NULL
+) ;

spring-batch-samples/src/main/sql/hana.properties

@@ -0,0 +1,12 @@
+platform=hana
+# SQL language oddities
+BIGINT = BIGINT
+IDENTITY = 
+GENERATED = GENERATED BY DEFAULT AS IDENTITY
+DOUBLE = DOUBLE
+DECIMAL = DECIMAL
+BLOB = BLOB
+TIMESTAMP = TIMESTAMP
+VARCHAR = VARCHAR
+# for generating drop statements...
+SEQUENCE = SEQUENCE

spring-batch-samples/src/main/sql/hana.vpp

@@ -0,0 +1,2 @@
+#macro (sequence $name $value)CREATE SEQUENCE ${name} START WITH ${value} MINVALUE 0;
+#end