PUBLIC SAP Event Stream Processor 5.1 SP 12 Document Version: 1.0.1 – 2019-09-23 SAP Event Stream Processor: CCL Reference company. All rights reserved. All rights company. affiliate THE BEST RUN 2019 SAP SE or an SAP SE or an SAP SAP 2019 © Content 1 Introduction................................................................7 2 CCL Language Components....................................................8 2.1 Datatypes..................................................................9 Intervals................................................................12 Decimal and Money Datatypes................................................ 13 2.2 Operators..................................................................13 2.3 Expressions................................................................ 17 2.4 CCL Continuous Queries.......................................................19 2.5 CCL Comments.............................................................20 2.6 Case-Sensitivity.............................................................21 2.7 Order of Elements............................................................22 2.8 Literals................................................................... 23 Time Literals.............................................................23 Boolean Literals...........................................................24 String Literals............................................................25 Numeric Literals..........................................................26 3 CCL Statements............................................................28 3.1 ADAPTER START Statement....................................................29 3.2 ATTACH ADAPTER Statement................................................... 31 3.3 CREATE ERROR STREAM Statement..............................................33 3.4 CREATE FLEX Statement...................................................... 34 3.5 CREATE LIBRARY Statement....................................................38 3.6 CREATE LOG STORE Statement..................................................40 3.7 CREATE MEMORY STORE Statement..............................................42 3.8 CREATE MODULE Statement....................................................43 Example: Creating and Using Modules...........................................46 Example: Parameters in Modules...............................................47 3.9 CREATE REFERENCE Statement.................................................48 3.10 CREATE SCHEMA Statement ................................................... 51 3.11 CREATE SPLITTER Statement...................................................52 3.12 CREATE STREAM Statement....................................................55 3.13 CREATE WINDOW Statement................................................... 59 3.14 DECLARE Statement......................................................... 62 3.15 DECLARE MODEL Statement....................................................64 3.16 IMPORT Statement...........................................................65 SAP Event Stream Processor: CCL Reference 2 PUBLIC Content 3.17 LOAD MODULE Statement......................................................67 4 CCL Clauses...............................................................69 4.1 AGES Clause............................................................... 70 4.2 AS Clause................................................................. 72 4.3 AUTOGENERATE Clause.......................................................73 4.4 CASE Clause............................................................... 75 4.5 EXECUTE MODEL Clause.......................................................76 4.6 FROM Clause...............................................................77 FROM Clause: ANSI Syntax...................................................77 FROM Clause: Comma-Separated Syntax........................................ 79 4.7 GROUP BY Clause........................................................... 80 4.8 GROUP FILTER Clause.........................................................81 4.9 GROUP ORDER BY Clause......................................................82 4.10 HAVING Clause............................................................. 83 4.11 IN Clause..................................................................84 4.12 KEEP Clause............................................................... 86 4.13 MATCHING Clause...........................................................88 4.14 ON Clause: Join Syntax........................................................91 4.15 OUT Clause................................................................92 4.16 PARAMETERS Clause.........................................................93 4.17 PARTITION BY Clause.........................................................94 4.18 PRIMARY KEY Clause.........................................................98 4.19 PROPERTIES Clause.........................................................100 4.20 REFERENCES Clause.........................................................101 4.21 SCHEMA Clause............................................................102 4.22 SELECT Clause.............................................................103 4.23 STORE Clause..............................................................104 4.24 STORES Clause.............................................................105 4.25 UNION Operator............................................................106 4.26 WHERE Clause.............................................................108 5 CCL Functions.............................................................111 5.1 Scalar Functions............................................................112 Numeric Functions........................................................112 String Functions..........................................................152 Conversion Functions......................................................166 XML Functions.......................................................... 200 Date and Time Functions...................................................203 5.2 Aggregate Functions.........................................................230 any()................................................................. 233 avg()................................................................. 234 SAP Event Stream Processor: CCL Reference Content PUBLIC 3 corr().................................................................235 covar_pop() ............................................................236 covar_samp()........................................................... 237 count()................................................................238 count_distinct()..........................................................238 exp_weighted_avg().......................................................239 first().................................................................240 last()..................................................................241 lwm_avg()..............................................................241 max().................................................................242 meandeviation()......................................................... 243 median()...............................................................244 min()................................................................. 245 nth()..................................................................245 recent()............................................................... 246 regr_avgx().............................................................247 regr_avgy().............................................................248 regr_count()............................................................248 regr_intercept()..........................................................249 regr_r2()...............................................................250 regr_slope().............................................................251 regr_sxx()..............................................................251 regr_sxy()..............................................................252 regr_syy()..............................................................253 stddev_pop()............................................................254 stddev_samp().......................................................... 255 sum().................................................................256 valueinserted()..........................................................256 var_pop() ..............................................................257 var_samp().............................................................258 vwap()................................................................259 weighted_avg()..........................................................260 xmlagg()...............................................................261 5.3 Record Functions...........................................................262 Get a Field..............................................................262 Assign a Field........................................................... 263 Assign a Record..........................................................263 getOpcode()............................................................264 setOpcode()............................................................265 5.4 Other Functions............................................................266 cacheSize().............................................................267 SAP Event