Android & PostgreSQL (application/pdf - 311.5 KB) - PGCon

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SELECT a circle R e s u l t S e t r s = stmt . executeQuery ( ”SELECT mycirc FROM geo ; ” ) ; r s . next ( ) ; P G c i r c l e c i r c l e = ( P G c i r c l e ) r s . g e t O b j e c t ( 1 ) ; PGpoint c e n t e r = c i r c l e . c e n t e r ; double r a d i u s = c i r c l e . r a d i u s ; markwkm (PGCon2011) Android & PostgreSQL 20 May 2011 28 / 37
JDBC Escapes A special escape syntax that is JDBC specific and database agnostic: http://jdbc.postgresql.org/documentation/head/escapes.html Dates and timestamps: s t . executeQuery ( ”SELECT { fn week ({ d ’2005 −01 −24 ’})}; ” ) ; s t . executeQuery ( ”SELECT { fn week ({ t s ’2005−01−24 1 2 : 1 3 : 1 4 . 1 5 ’ } ) } ; ” ) ; Joins: s t . executeQuery ( ”SELECT ∗ FROM { o j a LEFT OUTER JOIN b ON ( a . i = b . i ) } ; ” ) ; Scalar functions: s t . executeQuery ( ”SELECT { fn abs ( −1)}; ” ) ; markwkm (PGCon2011) Android & PostgreSQL 20 May 2011 29 / 37
Page 1 and 2: Android & PostgreSQL Mark Wong mark
Page 3 and 4: Overview Two topics, mostly the lat
Page 5 and 6: Development Environment A few detai
Page 7 and 8: Using the PostgreSQL JDBC Driver To
Page 9 and 10: PostgreSQL JDBC Code Examples • S
Page 11 and 12: Execute a Query Select the name of
Page 13 and 14: Execute a Query with a Bind Value B
Page 15 and 16: Create, Modify, or Drop Database Ob
Page 17 and 18: Example for Calling Stored Function
Page 19 and 20: Starting listening to a channel Reg
Page 21 and 22: LISTEN: Handle notifications A key
Page 23 and 24: Stop listening to a channel Stop li
Page 25 and 26: Server Prepared Statements JDBC all
Page 27: INSERT a circle PGpoint c e n t e r
Page 31 and 32: Connection pools Long examples for
Page 33 and 34: Android Example Programs For refere
Page 35 and 36: __ __ / \~~~/ \ . o O ( Thank you!
Page 37: License This work is licensed under

Android & PostgreSQL (application/pdf - 311.5 KB) - PGCon

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