Removing duplicate elements with XSLT
I need to eliminate duplicate elements from my XML using a specific node (ItemID)
My XML Looks as follows;
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I. XSLT 1.0 solution:
Here is a solution using Muenchian grouping:
Do Note:
Muenchian grouping is the most efficient known general grouping method for XSLT 1.0.
Pure "push" style used.
II. XSLT 2.0 solution:
Both solutions, when applied on the provided XML document:
Waltons CAP600795SI 20100506 723073 02 Pentel LR7 Energel Metal Tip Refill 0.7mm WRITING INSTRUMENTS Refill 1.0000000 6.0000000 10.0200000 8.4200000 60.1200000 Black EA 0.0000000 CAP5637542_060 Waltons CAP600795SI 20100506 903420 STEPHENS JUNIOR Stapler Half Strip KW586 OFFICE SUNDRIES Staplers 2.0000000 3.0000000 32.2500000 13.5400000 96.7500000 Ea 0.0000000 CAP5637547_060 Waltons CAP600795SI 20100506 867241 TRODAT PRINTY S/Inking Stamp Copy 4911 STAMPS DATERS NUMBERERS Self Inking Stamps 3.0000000 1.0000000 42.1500000 5.9000000 42.1500000 Ea 1.0000000 CAP5637548_060 Waltons CAP600795SI 20100506 941151 PENTEL Correction Tape 5mx5mm ZT35 OFFICE SUNDRIES Correction Fluid/Pens/Tape 4.0000000 2.0000000 25.1500000 7.0400000 50.3000000 Ea 0.0000000 CAP5637549_060 Waltons CAP600795SI 20100506 801215 MONDI ROTATRIM Copy Paper A4 80Gsm White A4 Paper White Bond Paper 5.0000000 100.0000000 29.0100000 406.1400000 2901.0000000 Pkt 500 0.0000000 CAP5637552_060 CAP716197SO CAP600795SI 2010/05/06 2.0000000 805236 CAP0000594_061 Ruled Paper A4 Fnt/Marg JD76 2010/05/06 CAP5637543_060 4.0000000 4.0000000 4.0000000 4.0000000 EA CAP716197SO wal 622392608 1 CAP716197SO CAP600795SI 2010/05/06 3.0000000 941150 CAP0000594_061 PENGUIN Correction Fluid 20ml White 2010/05/06 CAP5637546_060 6.0000000 6.0000000 6.0000000 6.0000000 EA CAP716197SO wal 622392609 1 CAP716197SO CAP600795SI 2010/05/06 5.0000000 867241 CAP0000594_061 TRODAT PRINTY S/Inking Stamp Copy 4911 2010/05/06 CAP5637548_060 2.0000000 2.0000000 1.0000000 1.0000000 EA CAP716197SO wal 622392610 1 produce the wanted, correct result:
Waltons CAP600795SI 20100506 723073 02 Pentel LR7 Energel Metal Tip Refill 0.7mm WRITING INSTRUMENTS Refill 1.0000000 6.0000000 10.0200000 8.4200000 60.1200000 Black EA 0.0000000 CAP5637542_060 Waltons CAP600795SI 20100506 903420 STEPHENS JUNIOR Stapler Half Strip KW586 OFFICE SUNDRIES Staplers 2.0000000 3.0000000 32.2500000 13.5400000 96.7500000 Ea 0.0000000 CAP5637547_060 Waltons CAP600795SI 20100506 867241 TRODAT PRINTY S/Inking Stamp Copy 4911 STAMPS DATERS NUMBERERS Self Inking Stamps 3.0000000 1.0000000 42.1500000 5.9000000 42.1500000 Ea 1.0000000 CAP5637548_060 Waltons CAP600795SI 20100506 941151 PENTEL Correction Tape 5mx5mm ZT35 OFFICE SUNDRIES Correction Fluid/Pens/Tape 4.0000000 2.0000000 25.1500000 7.0400000 50.3000000 Ea 0.0000000 CAP5637549_060 Waltons CAP600795SI 20100506 801215 MONDI ROTATRIM Copy Paper A4 80Gsm White A4 Paper White Bond Paper 5.0000000 100.0000000 29.0100000 406.1400000 2901.0000000 Pkt 500 0.0000000 CAP5637552_060 CAP716197SO CAP600795SI 2010/05/06 2.0000000 805236 CAP0000594_061 Ruled Paper A4 Fnt/Marg JD76 2010/05/06 CAP5637543_060 4.0000000 4.0000000 4.0000000 4.0000000 EA CAP716197SO wal 622392608 1 CAP716197SO CAP600795SI 2010/05/06 3.0000000 941150 CAP0000594_061 PENGUIN Correction Fluid 20ml White 2010/05/06 CAP5637546_060 6.0000000 6.0000000 6.0000000 6.0000000 EA CAP716197SO wal 622392609 1
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